everything. free.
Every small tool you need. Free. No sign up. Runs in your browser.
🖼️ Image tools 75
- PNG to JPG ConverterConvert PNG images to JPG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- JPG to PNG ConverterConvert JPG images to PNG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- WebP to PNG ConverterConvert WebP images to PNG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- WebP to JPG ConverterConvert WebP images to JPG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- PNG to WEBP ConverterConvert PNG images to WEBP instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- JPG to WEBP ConverterConvert JPG images to WEBP instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- SVG to PNG ConverterConvert SVG images to PNG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- GIF to PNG ConverterConvert GIF images to PNG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- AVIF to JPG ConverterConvert AVIF images to JPG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- BMP to PNG ConverterConvert BMP images to PNG instantly in your browser. Batch convert many files at once, adjust quality, download as ZIP. Free, no upload, no sign up.
- PNG to ICO ConverterConvert PNG or JPG to ICO icon files with 16, 32, 48, 64, 128 and 256 px sizes inside. Perfect for Windows icons and favicons. Free, private, no upload.
- Image to BMP ConverterConvert JPG, PNG, WebP or GIF images to 24-bit BMP bitmap files right in your browser. Batch conversion, no upload, no account needed.
- Resize ImageResize images to exact pixel dimensions or by percentage. Keep aspect ratio, crop to fill, batch resize many photos at once. Free online image resizer — no upload.
- Compress ImageReduce image file size by up to 90% while keeping good quality. Compress JPG, PNG and WebP photos in your browser and see the size savings live. No upload.
- Crop ImageCrop images online by trimming edges or to an exact aspect ratio like 1:1, 16:9, 4:5 or 9:16. Live preview, works with JPG, PNG and WebP. Free, private.
- Rotate ImageRotate images 90°, 180° or any custom angle. Fix sideways photos instantly in your browser, keep transparency, batch rotate. Free image rotator, no sign up.
- Flip Image (Mirror)Flip or mirror images horizontally or vertically in one click. Works with selfies, logos and screenshots. Free online image flipper — files stay on your device.
- Black & White Image ConverterConvert color photos to black and white (grayscale) online. Adjust intensity with a live preview, batch convert and download. Free, fast, no upload needed.
- Invert Image ColorsInvert the colors of any image to create a negative effect. Works with PNG, JPG and WebP, keeps transparency. Free online color inverter — no upload.
- Blur ImageBlur an entire image online with adjustable strength. Great for backgrounds, wallpapers and hiding detail. Free blur tool that runs in your browser.
- Adjust Image Brightness & ContrastBrighten dark photos, add contrast, boost saturation and warmth with simple sliders and a live preview. Free online photo editor — no upload, no sign up.
- Sepia FilterGive photos a warm vintage sepia tone online. Adjust strength with a live preview and download instantly. Free sepia photo filter, 100% in browser.
- Pixelate ImagePixelate images to create 8-bit pixel art or hide details. Choose the pixel block size and download. Free online pixelator — private and fast.
- Round Image CornersAdd rounded corners to any image and export a transparent PNG. Adjustable radius with live preview. Free online rounded corner tool, no upload.
- Circle Crop ImageCrop any photo into a perfect circle with a transparent background — ideal for profile pictures and avatars. Add an optional border. Free, no upload.
- Add Border to ImageAdd a solid color border or frame around any image. Pick thickness and color, preview instantly, download. Free online image border tool.
- Add Watermark to ImageAdd a text watermark to photos to protect them. Choose position, size, opacity and color, or tile it across the image. Batch watermark for free — no upload.
- Meme GeneratorMake memes online with classic top and bottom Impact text on any image. Instant preview and download. Free meme maker with no watermark and no sign up.
- Remove EXIF Data from PhotosStrip EXIF metadata like GPS location, camera model and date from photos before sharing. Works locally in your browser — your photos never leave your device.
- Add Background Color to PNGFill the transparent background of a PNG with any solid color. Perfect for logos and product shots. Free online tool, runs in your browser.
- Make Image SquareMake any photo square without cropping by adding padding or a blurred background — perfect for Instagram. Free, fast, no upload.
- Image to Base64 ConverterConvert images to Base64 data URIs for HTML, CSS or JSON. Copy ready-made <img> tags and CSS backgrounds. Free, private image encoder.
- Base64 to Image ConverterPaste a Base64 string or data URI and preview it as an image, then download it as PNG, JPG, GIF, WebP or SVG. Auto-detects format. Free, offline.
- Image Color PickerPick colors from any image or screenshot and get HEX, RGB and HSL codes. Includes a screen eyedropper and palette extractor. Free and private.
- Color Palette from ImageExtract the dominant color palette from any photo. Get HEX codes and CSS variables for 3 to 16 colors. Free online palette generator from image.
- Image to ASCII ArtTurn any picture into ASCII text art. Choose width and character set, invert for dark mode, copy or download as .txt. Free online ASCII art generator.
- Favicon GeneratorCreate a complete favicon pack (favicon.ico, PNG sizes, Apple touch icon, web manifest) from an image or text/emoji. Free favicon maker with HTML code.
- Image Splitter (Grid Cutter)Split an image into a grid of equal tiles — 3×3, 1×3 and more. Perfect for Instagram grid posts and puzzles. Download all pieces as ZIP. Free, no upload.
- Combine ImagesMerge two or more images side by side or on top of each other. Set gap and background color, reorder, then download as PNG or JPG. Free photo combiner.
- JPG to GIF ConverterConvert JPG to GIF online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- PNG to GIF ConverterConvert PNG to GIF online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- SVG to JPG ConverterConvert SVG to JPG online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- SVG to WEBP ConverterConvert SVG to WEBP online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- AVIF to PNG ConverterConvert AVIF to PNG online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- GIF to JPG ConverterConvert GIF to JPG online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- BMP to JPG ConverterConvert BMP to JPG online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- ICO to PNG ConverterConvert ICO to PNG online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- WebP to GIF ConverterConvert WebP to GIF online in seconds. Batch convert multiple images and download as ZIP. Runs in your browser — free, private, no sign up.
- Sharpen ImageSharpen blurry photos online with an adjustable strength slider and live preview. Free image sharpener — no upload.
- Emboss Image EffectApply a 3D emboss / relief effect to any photo online. Free and instant, runs in your browser.
- Photo to Pencil SketchTurn any photo into a pencil sketch drawing online. Adjust line strength and download. Free, no upload.
- Add Film Grain / NoiseAdd film grain or noise to photos for a vintage, analog look. Free online grain effect.
- Vignette EffectDarken the edges of a photo with an adjustable vignette effect. Free online photo editor.
- Posterize ImageReduce colors in an image for a bold poster / pop-art effect. Choose the number of levels. Free.
- Black & White ThresholdConvert an image to pure black and white (1-bit) with an adjustable threshold — great for stencils and scans. Free.
- Duotone EffectCreate Spotify-style duotone images with two custom colors. Free online duotone generator.
- Tint Image (Color Overlay)Add a color tint or overlay to any image with adjustable strength. Free online image colorizer.
- Change Image OpacityMake an image semi-transparent and save it as PNG. Adjust opacity from 0 to 100%. Free.
- Remove White BackgroundMake the white (or any solid color) background of a logo or product photo transparent. Free PNG background remover for simple backgrounds.
- Color Blindness SimulatorSee how images look to people with protanopia, deuteranopia, tritanopia or achromatopsia. Free accessibility tool.
- Add Text to ImageWrite text on photos with custom font, size, color, outline and position. Free online photo text editor — no watermark.
- Compress Image to KBCompress a JPG or WebP image to a target file size like 50 KB, 100 KB or 200 KB — perfect for forms and uploads. Free.
- Compress Image to 100KBReduce any photo to under 100 KB for job applications, government forms and uploads. Free, automatic, private.
- Compress Image to 50KBShrink images to under 50 KB automatically while keeping the best possible quality. Free, no upload.
- Compress Image to 20KBCompress photos and signatures to under 20 KB for online exam and passport forms. Free, private.
- Instagram Post ResizerResize any photo to the perfect Instagram square post size (1080×1080 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- Instagram Story ResizerResize any photo to the perfect Instagram / TikTok story size (1080×1920 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- YouTube Thumbnail ResizerResize any photo to the perfect YouTube thumbnail size (1280×720 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- Facebook Cover Photo ResizerResize any photo to the perfect Facebook cover size (820×312 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- X / Twitter Header ResizerResize any photo to the perfect X (Twitter) header size (1500×500 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- LinkedIn Banner ResizerResize any photo to the perfect LinkedIn banner size (1584×396 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- Passport Photo Resizer (2×2)Resize any photo to the perfect US passport (2×2 in) size (600×600 px) with smart crop-to-fill. Free, instant and private — your image never leaves your device.
- EXIF Data ViewerView hidden photo metadata: camera, lens, settings, date and GPS location. Read locally — your photo is never uploaded. Free EXIF reader.
- Image Size & Dimensions CheckerCheck an image’s width, height, megapixels, aspect ratio, file size and print size instantly. Free and private.
- GIF Maker (Images to GIF)Make an animated GIF from multiple images or photos. Set frame speed, size and looping. Free online GIF creator, no watermark.
📄 PDF tools 23
- JPG to PDF ConverterConvert JPG, PNG and other images to a single PDF. Reorder pages, choose A4 or Letter, set margins. Free image to PDF converter that never uploads your files.
- PNG to PDF ConverterTurn PNG images and screenshots into a PDF document in seconds. Combine many images into one PDF, pick page size. Free, private, no watermark.
- Merge PDFCombine multiple PDF files into one document. Drag to reorder, then merge instantly in your browser. Free PDF merger — no upload, no watermark, no sign up.
- Split PDFSplit a PDF into separate pages or chunks of N pages and download them as a ZIP. Fast, free and private — your PDF never leaves your device.
- Extract PDF PagesExtract specific pages from a PDF into a new file — enter page numbers or ranges like 1-3, 5. Free online PDF page extractor, 100% in browser.
- Rearrange PDF PagesReorder pages in a PDF by typing the new order (e.g. 3,1,2) or reverse all pages. Free tool to reorganize PDF pages without uploading.
- Delete PDF PagesRemove unwanted pages from a PDF. Type the pages or ranges to delete and download the cleaned file. Free, fast and private PDF page remover.
- Rotate PDFRotate all or selected PDF pages by 90, 180 or 270 degrees and save permanently. Free online PDF rotator — works offline in your browser.
- Add Page Numbers to PDFNumber the pages of any PDF. Choose position, format like "Page 1 of 10", starting number and size. Free, no upload, no watermark.
- Watermark PDFStamp a text watermark like CONFIDENTIAL or DRAFT on every page of a PDF. Control size, angle, color and opacity. Free and private PDF watermark tool.
- Text to PDF ConverterConvert plain text into a clean PDF document with automatic word wrapping and pages. Choose font, size and paper. Free text to PDF maker.
- Edit PDF MetadataView and edit PDF metadata — title, author, subject, keywords, creator and producer. Free online PDF properties editor that runs in your browser.
- PDF to JPG ConverterConvert every page of a PDF into high-quality JPG images. Choose resolution up to 360 DPI, download as ZIP. Free PDF to image converter with no upload.
- PDF to PNG ConverterTurn PDF pages into crisp PNG images at the resolution you choose. Download single pages or all as ZIP. Free, private PDF to PNG tool.
- PDF to Text ConverterExtract all text from a PDF page by page. Copy it or download as .txt. Free online PDF text extractor — your document stays on your device.
- HTML to PDF ConverterConvert HTML code (with CSS) to a PDF with a live preview. Paste or open an .html file and save as a sharp, selectable PDF. Free and offline.
- Markdown to PDF ConverterWrite or paste Markdown and export a beautifully formatted PDF with tables, code blocks and lists. Live preview. Free Markdown to PDF converter.
- PDF Info & Page CounterSee how many pages a PDF has, its page sizes, author, creation date and other properties. Free and private.
- Crop PDFTrim margins from PDF pages by millimeters — remove white borders or crop to content. Free online PDF cropper, no upload.
- Resize PDF PagesChange PDF page size to A4, Letter, Legal, A3 or A5 — content is scaled to fit. Free online PDF resizer.
- Reverse PDF Page OrderReverse the page order of a PDF so the last page comes first. Free, instant and private.
- PDF to WebP ConverterConvert PDF pages into lightweight WebP images for websites. Choose resolution and quality. Free, no upload.
- WebP to PDF ConverterConvert WebP images into a PDF document. Combine several images, choose page size. Free and private.
🎬 Video & audio 34
- Video to Audio ConverterExtract the audio track from MP4, WebM or MOV videos and save it as a WAV file. Runs entirely in your browser — no upload, no limits, no sign up.
- Audio to WAV ConverterConvert MP3, M4A, OGG, AAC, WebM and other audio files to uncompressed WAV. Free online audio converter that keeps your files private.
- Audio Trimmer (Cut MP3)Cut and trim audio files online — set start and end, preview and download the clip as WAV. Make ringtones or remove silence. Free, no upload.
- Reverse AudioPlay any audio or voice recording backwards. Upload MP3, WAV or M4A and download the reversed audio as WAV. Free online audio reverser.
- Change Audio SpeedSpeed up or slow down audio from 0.25× to 4×. Great for podcasts, voice notes and nightcore edits. Free online audio speed changer, runs locally.
- Audio Volume BoosterMake quiet audio louder — boost volume up to 800% or reduce it. Works with MP3, WAV, M4A and video files. Free online volume booster, no upload.
- Audio Fade In / Fade OutAdd smooth fade-in and fade-out effects to songs, voice clips and ringtones. Adjustable durations, instant WAV download. Free and private.
- Stereo to Mono ConverterConvert stereo audio to mono by mixing both channels together. Fixes one-sided audio in headphones. Free online converter, runs in browser.
- Online Voice RecorderRecord your voice with your microphone directly in the browser. Pause, resume, play back and download as WebM or WAV. Free voice recorder, no sign up.
- Microphone TestTest your microphone online with a live sound level meter. Check if your mic works, pick a device, record and play back a test clip. Free and private.
- Online Screen RecorderRecord your screen, a window or a browser tab with system audio and microphone. No install, no watermark, no time limit. Download the video for free.
- Webcam RecorderRecord video from your webcam with sound directly in your browser and download it. Free online webcam video recorder — nothing is uploaded.
- Webcam Test & PhotoTest your webcam online, check its resolution and take photos you can download as PNG. Works with any camera. Free, private, no install.
- Online Screenshot ToolTake a full-resolution screenshot of your screen, any window or browser tab and download it as PNG. Free screenshot tool, no extension needed.
- Video to GIF ConverterConvert a clip from any MP4, WebM or MOV video into an animated GIF. Choose start time, length, FPS and size. Free, no watermark, no upload.
- Video Frame ExtractorGrab still frames from a video as JPG or PNG — capture the current frame or extract one every N seconds into a ZIP. Free video to image tool.
- Text to SpeechRead any text aloud with natural voices. Choose voice, speed and pitch. Free online text to speech reader that works offline with your device voices.
- Speech to Text (Voice Typing)Type with your voice — dictate and see your words appear in real time in 19 languages. Copy or download the transcript. Free online voice typing.
- Online Tone GeneratorGenerate a pure sine, square, sawtooth or triangle tone from 20 Hz to 20 kHz. Test speakers, hearing and tuning. Download as WAV. Free frequency generator.
- White Noise GeneratorPlay white, pink or brown noise to focus, sleep or block distractions. Adjustable volume, loops forever, download 10s WAV. Free and ad-light.
- Online MetronomeFree online metronome with adjustable BPM (20–300), time signatures, accented first beat and tap tempo. Precise timing for music practice.
- MP3 to WAV ConverterConvert MP3 files to WAV (lossless PCM) in your browser. No upload, no limits, no sign up. Free MP3 to WAV converter.
- M4A to WAV ConverterConvert M4A / AAC audio (iPhone voice memos, iTunes) to WAV for free. Runs locally in your browser.
- MP4 to WAV ConverterExtract audio from MP4 videos as a WAV file. Free online MP4 to WAV converter — your video is never uploaded.
- OGG to WAV ConverterConvert OGG / Opus audio files to WAV instantly. Free and private, runs in your browser.
- Merge Audio Files (Audio Joiner)Join multiple MP3, WAV, M4A or OGG files into one audio track in the order you choose. Free online audio joiner, no upload.
- Remove Silence from AudioTrim silent parts from the start and end of recordings automatically with an adjustable threshold. Free.
- Normalize AudioNormalize audio volume so the loudest peak hits your target level — fix quiet recordings. Free online audio normalizer.
- Sound Level Meter (dB Meter)Measure how loud it is around you with your microphone. Live decibel reading and peak level. Free online dB meter (uncalibrated estimate).
- Online Hearing Test (Frequency)Find the highest frequency you can hear and your approximate “hearing age”. Fun online hearing test with headphones. Free.
- Online PianoPlay piano online with your mouse, touch or computer keyboard. Choose octave and sound. Free virtual piano keyboard.
- Online Guitar TunerTune your guitar with your microphone — standard EADGBE tuning with a live needle. Free online guitar tuner.
- Chromatic TunerTune any instrument — ukulele, violin, bass, voice — with a free online chromatic tuner using your microphone.
- BPM Counter (Tap Tempo)Find the BPM of any song by tapping along. Accurate tap tempo counter that works with mouse, touch or keyboard. Free.
🔳 QR codes & barcodes 28
- QR Code GeneratorCreate free QR codes for any URL or text. Customize colors, size and error correction, download PNG or SVG. Static codes that never expire — no sign up.
- WiFi QR Code GeneratorMake a QR code that lets guests join your WiFi instantly — no typing passwords. Supports WPA, WEP and open networks. Free, private, printable.
- vCard QR Code GeneratorCreate a contact QR code (vCard) with your name, phone, email, company and website. Scan to save the contact. Perfect for business cards. Free.
- Email QR Code GeneratorGenerate a QR code that opens a pre-filled email with address, subject and message. Free email QR code maker with PNG and SVG download.
- SMS QR Code GeneratorCreate a QR code that opens a text message with a phone number and message ready to send. Free SMS QR code generator, no sign up.
- WhatsApp QR Code GeneratorMake a QR code that starts a WhatsApp chat with your number and a pre-filled message. Great for shops and flyers. Free download.
- Phone Number QR CodeGenerate a QR code that dials a phone number when scanned. Download in high resolution PNG or SVG for print. Free and instant.
- Location QR Code GeneratorCreate a QR code that opens a map location from latitude and longitude. Perfect for event invites and store signs. Free QR maker.
- QR Code Scanner (Reader)Scan QR codes from an image, screenshot or your camera directly in the browser. See the content and copy or open links. Free online QR reader.
- Barcode GeneratorGenerate barcodes online: Code 128, EAN-13, EAN-8, UPC-A, Code 39, ITF-14, Codabar and more. Download PNG or SVG. Free barcode maker.
- Event QR Code GeneratorCreate a QR code that adds an event (title, place, start and end time) straight to the phone’s calendar. Free.
- UPI QR Code GeneratorGenerate a UPI payment QR code for your UPI ID with optional amount and note. Works with GPay, PhonePe, Paytm. Free.
- Bitcoin QR Code GeneratorCreate a QR code for a Bitcoin address with optional amount and label for easy payments. Free.
- Instagram QR Code GeneratorMake a QR code that opens your Instagram profile. Add your logo, pick colors, download PNG. Free.
- TikTok QR Code GeneratorCreate a QR code linking to your TikTok profile for flyers and stickers. Free download.
- YouTube QR Code GeneratorGenerate a QR code for your YouTube channel or video. Free, no sign up, never expires.
- X / Twitter QR Code GeneratorCreate a QR code that opens your X (Twitter) profile. Free and instant.
- Telegram QR Code GeneratorMake a QR code that opens a Telegram chat, group or channel. Free.
- Facebook QR Code GeneratorCreate a QR code for your Facebook page or profile. Free download in PNG or SVG.
- LinkedIn QR Code GeneratorGenerate a QR code for your LinkedIn profile — perfect for business cards and résumés. Free.
- GitHub QR Code GeneratorMake a QR code that opens your GitHub profile. Free, private, no sign up.
- QR Code Generator with LogoCreate a QR code with your logo in the center that still scans perfectly. Custom colors, high resolution. Free, no sign up.
- Bulk QR Code GeneratorGenerate hundreds of QR codes at once from a list of URLs or text and download them as a ZIP. Free, runs locally.
- EAN-13 Barcode GeneratorGenerate EAN-13 retail barcodes online for products, labels and inventory. Download high-resolution PNG or SVG. Free ean-13 barcode generator — no sign up.
- UPC Barcode GeneratorGenerate UPC-A barcodes online for products, labels and inventory. Download high-resolution PNG or SVG. Free upc barcode generator — no sign up.
- Code 128 Barcode GeneratorGenerate Code 128 barcodes online for products, labels and inventory. Download high-resolution PNG or SVG. Free code 128 barcode generator — no sign up.
- Code 39 Barcode GeneratorGenerate Code 39 barcodes online for products, labels and inventory. Download high-resolution PNG or SVG. Free code 39 barcode generator — no sign up.
- ISBN Barcode GeneratorGenerate ISBN (EAN-13 Bookland) barcodes online for products, labels and inventory. Download high-resolution PNG or SVG. Free isbn barcode generator — no sign up.
✍️ Text tools 68
- Word CounterCount words, characters, sentences and paragraphs as you type. See reading time and top keywords. Free online word counter — your text stays private.
- Character CounterCount characters with and without spaces in real time. Check limits for tweets, meta descriptions and SMS. Free online character counter.
- Reading Time CalculatorEstimate how long your text takes to read and speak aloud. Set your words-per-minute speed. Perfect for blog posts, speeches and scripts.
- Uppercase ConverterConvert text to UPPERCASE instantly. Paste any text and get all capital letters. Free online uppercase converter with copy and download.
- Lowercase ConverterConvert text to lowercase in one click. Fix accidental caps lock or normalize text. Free online lowercase converter.
- Title Case ConverterConvert text to Title Case For Headlines, keeping small words like "of" and "the" lowercase. Free online title capitalization tool.
- Sentence Case ConverterConvert text to sentence case: capitalize the first letter of every sentence and lowercase the rest. Fixes ALL CAPS text instantly. Free.
- camelCase ConverterConvert text or variable names to camelCase for JavaScript and Java. Works line by line. Free online camel case converter for developers.
- snake_case ConverterConvert text to snake_case for Python, databases and APIs. Handles camelCase, spaces and dashes. Free online snake case converter.
- kebab-case ConverterConvert text to kebab-case for URLs, CSS classes and file names. Free online kebab case converter that works line by line.
- PascalCase ConverterConvert text to PascalCase (UpperCamelCase) for class and component names. Free online Pascal case converter.
- CONSTANT_CASE ConverterConvert text to CONSTANT_CASE (SCREAMING_SNAKE_CASE) for constants and environment variables. Free and instant.
- aLtErNaTiNg CaSe GeneratorTurn text into aLtErNaTiNg cApS — the classic mocking SpongeBob meme text. Copy and paste anywhere. Free alternating case converter.
- Invert Case (Swap Case)Swap uppercase and lowercase letters in your text — hELLO wORLD. Fix text typed with caps lock on. Free online case inverter.
- Reverse Text GeneratorReverse text backwards, flip word order, reverse lines or each word. Free online text reverser with instant copy.
- Remove Extra SpacesRemove double spaces, tabs and leading/trailing whitespace from text. Clean up copied text in one click. Free online whitespace remover.
- Remove Line BreaksRemove line breaks and join lines into one paragraph — fix text copied from PDFs and emails. Replace with spaces, commas or nothing. Free.
- Remove Duplicate LinesDelete duplicate lines from lists and keep only unique entries. Options to ignore case and spaces. Free online duplicate line remover.
- Sort Lines AlphabeticallySort lines of text alphabetically A–Z, Z–A, by length, or naturally by numbers. Free online list sorter that keeps your data private.
- Shuffle Lines (Randomize List)Randomly shuffle the order of lines in a list using secure randomness. Great for raffles, playlists and study cards. Free list randomizer.
- Add Line NumbersAdd line numbers to text with custom start number and separator. Skip empty lines. Free online line numbering tool.
- Remove Empty LinesDelete all blank and whitespace-only lines from text in one click. Free online empty line remover.
- Add Prefix / Suffix to LinesAdd text to the beginning and/or end of every line — bullets, quotes, commas, HTML tags. Free online line prefix and suffix tool.
- Find and Replace TextFind and replace words or phrases in text, with case-insensitive and regular expression options. Free online find & replace tool.
- Text RepeaterRepeat any text or emoji up to 100,000 times with new lines, spaces or commas. Free online text repeater with one-click copy.
- URL Slug GeneratorTurn titles into clean, SEO-friendly URL slugs: lowercase, hyphenated, no accents or symbols. Free online slugify tool.
- Remove AccentsRemove accents and diacritics from text — é→e, ñ→n, ü→u. Normalize names and data for search and URLs. Free online tool.
- Strip HTML TagsRemove all HTML tags from code and keep only the readable text. Removes scripts and styles too. Free online HTML tag remover.
- Remove PunctuationStrip all punctuation marks from text — periods, commas, quotes, brackets and more. Free online punctuation remover.
- Remove Emojis from TextDelete all emojis from text, captions and comments in one click while keeping everything else. Free online emoji remover.
- Fancy Text GeneratorGenerate fancy fonts for Instagram, TikTok and Discord: 𝐁𝐨𝐥𝐝, 𝘐𝘵𝘢𝘭𝘪𝘤, 𝓢𝓬𝓻𝓲𝓹𝓽, 𝔊𝔬𝔱𝔥𝔦𝔠, Ⓒⓘⓡⓒⓛⓔⓓ and more. Copy & paste. Free.
- Upside Down Text GeneratorFlip text upside down ʇxǝʇ uʍop ǝpısdn for fun posts and usernames. Copy and paste anywhere. Free upside down text generator.
- Strikethrough Text GeneratorCreate s̶t̶r̶i̶k̶e̶t̶h̶r̶o̶u̶g̶h̶ and u̲n̲d̲e̲r̲l̲i̲n̲e̲d̲ text you can paste into Twitter, Instagram and anywhere else. Free online generator.
- Email ExtractorExtract all email addresses from any text, document or web page copy. Removes duplicates. Free online email address extractor — private.
- URL ExtractorPull every link (http and https URL) out of text or HTML. Removes duplicates and trailing punctuation. Free online URL extractor.
- Extract Numbers from TextExtract all numbers, including decimals and negatives, from any text. Output one per line or comma separated. Free online tool.
- Word Frequency CounterCount how often each word appears in text, sorted by frequency with percentages. Ignore common words. Free keyword density checker.
- Hashtag GeneratorTurn words or phrases into ready-to-paste #hashtags for Instagram, TikTok and X. Removes duplicates. Free online hashtag maker.
- Number to Words ConverterConvert numbers into English words — 1234 becomes "one thousand two hundred thirty-four". Handles decimals and huge numbers. Free for checks.
- Bold Text GeneratorType normal text and get 𝐛𝐨𝐥𝐝 𝐭𝐞𝐱𝐭 you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free bold text generator, works instantly.
- Italic Text GeneratorType normal text and get 𝘪𝘵𝘢𝘭𝘪𝘤 𝘵𝘦𝘹𝘵 you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free italic text generator, works instantly.
- Cursive Text GeneratorType normal text and get 𝓬𝓾𝓻𝓼𝓲𝓿𝓮 𝓽𝓮𝔁𝓽 you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free cursive text generator, works instantly.
- Gothic Text GeneratorType normal text and get 𝖌𝖔𝖙𝖍𝖎𝖈 𝖙𝖊𝖝𝖙 you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free gothic text generator, works instantly.
- Bubble Text GeneratorType normal text and get ⓑⓤⓑⓑⓛⓔ ⓣⓔⓧⓣ you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free bubble text generator, works instantly.
- Small Text GeneratorType normal text and get ˢᵐᵃˡˡ ᵗᵉˣᵗ you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free small text generator, works instantly.
- Wide Text Generator (Vaporwave)Type normal text and get wide aesthetic text you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free wide text generator (vaporwave), works instantly.
- Double Struck Text GeneratorType normal text and get 𝕕𝕠𝕦𝕓𝕝𝕖 𝕤𝕥𝕣𝕦𝕔𝕜 text you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free double struck text generator, works instantly.
- Square Text GeneratorType normal text and get 🅂🅀🅄🄰🅁🄴 letters you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free square text generator, works instantly.
- Monospace Text GeneratorType normal text and get 𝚖𝚘𝚗𝚘𝚜𝚙𝚊𝚌𝚎 𝚝𝚎𝚡𝚝 you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free monospace text generator, works instantly.
- Small Caps GeneratorType normal text and get sᴍᴀʟʟ ᴄᴀᴘs you can copy and paste into Instagram, TikTok, Discord, X and anywhere else. Free small caps generator, works instantly.
- Zalgo Text GeneratorCreate creepy glitch Z̷a̴l̸g̵o̶ text with stacked combining marks. Adjust the craziness, copy and paste anywhere. Free.
- Leetspeak TranslatorConvert text to 1337 5p34k (leetspeak) in basic or advanced style. Free online leet translator.
- Pig Latin TranslatorTranslate English into Pig Latin — “hello world” becomes “ellohay orldway”. Free online Pig Latin converter.
- Remove VowelsStrip all vowels (a, e, i, o, u) from text instantly. Fun for puzzles and abbreviations. Free online tool.
- Remove Numbers from TextDelete every digit from your text in one click while keeping letters and punctuation. Free online tool.
- Remove Special CharactersRemove symbols and special characters from text, keeping only letters, numbers and spaces. Free online cleaner.
- Remove Non-ASCII CharactersStrip all non-ASCII characters (accents, emojis, smart quotes, symbols) from text for clean plain ASCII. Free.
- Remove All WhitespaceRemove every space, tab and line break from text in one click. Free online whitespace stripper.
- Word Wrap TextWrap long lines of text at a maximum width without breaking words. Free online word wrapper.
- Add Commas to NumbersFormat numbers with thousands separators (1,234,567) in US, European or Indian style. Free number formatter.
- Sort Words AlphabeticallySort the words in a text A–Z or Z–A and optionally remove duplicates. Free online word sorter.
- Count Word OccurrencesCount how many times a word or phrase appears in text, with case and whole-word options. Free online tool.
- Extract HashtagsPull all #hashtags out of captions, posts and text. Removes duplicates. Free online hashtag extractor.
- Extract @MentionsExtract every @username mention from text, tweets or comments. Free online mention extractor.
- Phone Number ExtractorFind and extract phone numbers from any text or document. Removes duplicates. Free and private.
- IP Address ExtractorExtract valid IPv4 addresses from logs and text. Removes duplicates. Free online IP extractor.
- Acronym GeneratorMake acronyms from phrases — “National Aeronautics and Space Administration” → NASA. Free acronym maker.
- Word ScramblerScramble the letters inside words (keeping first and last letters readable) or fully jumble them. Free online tool.
🔁 Encode & convert 33
- Text to Binary ConverterConvert text to binary code (0s and 1s) using UTF-8, with or without spaces. Free online text to binary translator.
- Binary to Text ConverterDecode binary code back into readable text. Paste 01001000 01101001 and get "Hi". Free online binary translator.
- Text to Hex ConverterConvert text to hexadecimal bytes with space, 0x or \x formatting. UTF-8 safe. Free online text to hex encoder.
- Hex to Text ConverterDecode hexadecimal strings into readable text. Accepts spaces, 0x and \x prefixes. Free online hex to ASCII / UTF-8 decoder.
- Base64 EncodeEncode text to Base64 online with full UTF-8 and emoji support. URL-safe option included. Free, instant, private Base64 encoder.
- Base64 DecodeDecode Base64 strings back to readable text (UTF-8). Supports URL-safe Base64 and data URIs. Free online Base64 decoder.
- File to Base64 ConverterConvert any file (PDF, ZIP, font, audio…) to a Base64 string or data URI. Copy or download. Free and private — files never uploaded.
- Base64 to File ConverterDecode a Base64 string into a downloadable file. Auto-detects PDF, PNG, JPG, ZIP and more. Free online Base64 file decoder.
- URL EncodePercent-encode text for safe use in URLs and query strings (encodeURIComponent). Free online URL encoder.
- URL DecodeDecode percent-encoded URLs and query strings back to readable text. Free online URL decoder.
- HTML Entity EncoderEscape HTML special characters (&, <, >, quotes) into entities so code displays safely. Free online HTML encoder.
- HTML Entity DecoderDecode HTML entities like &amp; &lt; &#39; back to normal characters. Free online HTML unescape tool.
- JSON to CSV ConverterConvert JSON arrays to CSV for Excel and Google Sheets. Auto-detects columns, choose delimiter, download .csv. Free and private.
- CSV to JSON ConverterConvert CSV data to JSON objects using the header row as keys. Auto-detects comma, semicolon or tab delimiters. Free online converter.
- JSON to YAML ConverterConvert JSON to clean, readable YAML for configs, Kubernetes and CI files. Free online JSON to YAML converter.
- JSON to XML ConverterConvert JSON data to well-formed XML with a custom root element. Free online JSON to XML converter, runs in browser.
- CSV to Markdown TableConvert CSV or spreadsheet data into a Markdown table for GitHub, README files and docs. Free online converter.
- Markdown to HTML ConverterConvert Markdown to clean HTML code with support for tables, code blocks and lists (GitHub-flavored). Free online converter.
- HTML to Markdown ConverterConvert HTML to Markdown — headings, links, images, lists, tables and code. Free online HTML to MD converter.
- Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals back to numbers (1–3999). Works line by line. Free online converter.
- Morse Code TranslatorTranslate text to Morse code and Morse code back to text automatically. Free online Morse code converter.
- NATO Phonetic Alphabet ConverterSpell out text with the NATO phonetic alphabet — Alfa, Bravo, Charlie… Perfect for phone calls. Free online converter.
- ROT13 Encoder / DecoderEncode or decode text with ROT13, the classic letter-rotation cipher. Free online ROT13 converter.
- Caesar CipherEncrypt and decrypt text with a Caesar cipher using any shift value. Free online Caesar cipher encoder and decoder.
- List to Comma SeparatedConvert a column or list into comma-separated values (and back). Add quotes, custom separators. Free online list converter.
- Text to Unicode ConverterConvert text into Unicode code points (U+0041), JavaScript escapes, or HTML numeric entities. Free.
- Unicode to Text ConverterDecode U+XXXX code points, \u escapes and &#…; entities back into readable text. Free online decoder.
- Text to ASCII CodesConvert each character of text into its ASCII / Unicode decimal code. Free online ASCII converter.
- ASCII Codes to TextTurn a list of decimal ASCII codes (72 101 108 108 111) back into text. Free online decoder.
- YAML to JSON ConverterConvert YAML to JSON instantly, with clear error messages. Free online YAML to JSON converter that runs locally.
- XML to JSON ConverterConvert XML to JSON, including attributes and repeated elements as arrays. Free online XML to JSON converter.
- Base32 EncodeEncode text to Base32 (RFC 4648) online. UTF-8 safe. Free Base32 encoder.
- Base32 DecodeDecode Base32 strings back to text. Free online Base32 decoder.
🧑💻 Developer tools 55
- JSON Formatter & BeautifierFormat, beautify and pretty-print JSON with 2, 4 or tab indentation. Optional key sorting. Free online JSON formatter — private.
- JSON MinifierMinify JSON by removing all whitespace to reduce size. Validates as it minifies. Free online JSON compressor.
- JSON ValidatorValidate JSON and find errors with the exact line and column. Free online JSON linter and checker.
- XML FormatterFormat and pretty-print XML with proper indentation. Free online XML beautifier.
- CSS MinifierMinify CSS by removing comments, whitespace and extra semicolons. Free online CSS compressor.
- HTML MinifierMinify HTML by removing comments and whitespace between tags. Free online HTML compressor.
- JWT DecoderDecode JSON Web Tokens to see the header, payload and expiry date. Runs locally — your token is never sent anywhere. Free JWT debugger.
- JSON String Escape / UnescapeEscape text for use inside JSON strings (quotes, newlines, backslashes) or unescape it back. Free online tool.
- MD5 Hash GeneratorGenerate MD5 hashes from text or files instantly. Runs locally in your browser — your data is never uploaded. Free online MD5 checksum tool.
- SHA-1 Hash GeneratorGenerate SHA-1 hashes from text or files instantly. Runs locally in your browser — your data is never uploaded. Free online SHA-1 checksum tool.
- SHA-256 Hash GeneratorGenerate SHA-256 hashes from text or files instantly. Runs locally in your browser — your data is never uploaded. Free online SHA-256 checksum tool.
- SHA-512 Hash GeneratorGenerate SHA-512 hashes from text or files instantly. Runs locally in your browser — your data is never uploaded. Free online SHA-512 checksum tool.
- File Checksum CalculatorCalculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 checksums of any file and verify downloads. Runs in your browser, no upload. Free.
- Regex TesterTest JavaScript regular expressions live with match highlighting, capture groups and replace preview. Includes a cheat sheet. Free regex tester.
- Diff Checker (Compare Text)Compare two texts and highlight added and removed lines. Ignore whitespace or case. Free online diff tool — your text stays private.
- Online HTML Editor (Live Preview)Write HTML, CSS and JavaScript with an instant live preview — like a mini CodePen. Download as index.html. Free online code playground.
- Online Markdown EditorWrite Markdown with a live side-by-side preview. Supports tables, code and lists. Download .md or .html. Free online Markdown editor.
- CSV ViewerOpen and view CSV files as a searchable, sortable table in your browser. Export to JSON. Free online CSV viewer — no upload.
- Meta Tag GeneratorGenerate SEO meta tags, Open Graph and Twitter Card tags for your website. Warns about title and description length. Free.
- Robots.txt GeneratorCreate a robots.txt file with disallowed paths, sitemap and crawl delay. Optionally block AI crawlers like GPTBot. Free generator.
- UTM Link BuilderBuild campaign URLs with UTM parameters (source, medium, campaign) for Google Analytics tracking. Free online UTM generator.
- Keyboard TesterTest every key on your keyboard online and see key, code and keyCode values. Find stuck or dead keys. Free keyboard checker.
- What Is My Screen Resolution?Instantly see your screen resolution, browser window size, pixel ratio and color depth. Free screen size checker.
- What Is My Browser? (User Agent)See your user agent, browser version, operating system, language, time zone, CPU cores and GPU. Free browser info checker.
- Tabs to Spaces ConverterConvert tabs to spaces or spaces to tabs with your chosen indent width. Free online indentation converter.
- YAML Validator & FormatterValidate and pretty-print YAML files — Docker Compose, Kubernetes, GitHub Actions and more. Free and private.
- SQL FormatterFormat and beautify SQL queries for MySQL, PostgreSQL, SQL Server, SQLite, BigQuery and more. Free online SQL formatter.
- HTML Formatter (Beautifier)Beautify messy or minified HTML with clean indentation. Free online HTML formatter.
- CSS Formatter (Beautifier)Beautify minified CSS into readable, indented rules. Free online CSS formatter.
- JSON to TypeScript InterfaceGenerate TypeScript interfaces from JSON automatically, including nested objects and arrays. Free online converter.
- URL ParserBreak a URL into protocol, host, port, path, query parameters and hash. Free online URL parser.
- Query String to JSONConvert URL query strings (?a=1&b=2) into JSON objects, with repeated keys as arrays. Free online tool.
- JSON to Query StringConvert a JSON object into a URL-encoded query string. Free online JSON to URL params converter.
- Cron Expression ExplainerTranslate cron expressions into plain English and see the next run times. Supports @daily and friends. Free cron parser.
- HMAC GeneratorGenerate HMAC signatures with SHA-256, SHA-384, SHA-512 or SHA-1 and a secret key — hex or Base64. Runs locally. Free.
- User Agent ParserPaste any user agent string to identify the browser, version, operating system, device type and engine. Free.
- Unicode Character InspectorInspect every character in text: code point, UTF-8 bytes, HTML entity and type. Find hidden and invisible characters. Free.
- Password Strength CheckerCheck how strong your password is, its entropy and estimated crack time — checked locally, never sent anywhere. Free.
- Credit Card Number Validator (Luhn)Check if a card number passes the Luhn checksum and detect the card brand. Runs offline in your browser. Free.
- IBAN ValidatorValidate IBAN bank account numbers with the official mod-97 checksum and see the country. Free and private.
- ISBN Validator & ConverterValidate ISBN-10 and ISBN-13 book numbers and convert between them. Free online ISBN checker.
- HTTP Status Codes ListEvery HTTP status code explained in plain English — 200, 301, 404, 500 and more. Searchable reference, free.
- ASCII TableComplete ASCII table with decimal, hex, binary, character and HTML codes for all 128 characters. Searchable.
- MIME Types ListCommon file extensions and their MIME / content types for web servers and APIs. Searchable reference.
- Common Port NumbersList of common TCP/UDP port numbers and services — SSH 22, HTTP 80, HTTPS 443, MySQL 3306 and more.
- HTML Entities ListCommon HTML character entities with symbols and numeric codes — ©, ™, →, and more. Click to copy.
- Morse Code ChartFull Morse code alphabet, numbers and punctuation chart. Searchable and printable reference.
- Country Codes List (ISO)All country ISO 3166 two-letter codes with flags and names. Searchable, click to copy, download as CSV.
- Currency Codes List (ISO 4217)Every ISO 4217 currency code with its name and symbol. Searchable reference, downloadable CSV.
- Language Codes ListISO 639-1 language codes with English and native names. Searchable reference for developers and translators.
- Time Zones ListAll IANA time zones with current UTC offsets and local times. Searchable and downloadable.
- Roman Numerals ChartRoman numerals 1 to 100 and common larger numbers in a searchable chart. Free reference.
- Keyboard Shortcuts Cheat SheetThe most useful keyboard shortcuts for Windows and Mac — copy, paste, screenshots, tabs and more.
- ULID GeneratorGenerate sortable ULIDs (Universally Unique Lexicographically Sortable Identifiers) in bulk. Free.
- Nano ID GeneratorGenerate short, URL-safe unique IDs (Nano ID) of any length in bulk. Free online ID generator.
🎲 Generators & random 30
- Password GeneratorGenerate strong, random, secure passwords with cryptographic randomness. Choose length and characters. Created on your device — never sent anywhere.
- Passphrase GeneratorCreate memorable yet strong passphrases from random words, like Velvet-Comet-Harbor-42. Secure randomness, generated locally. Free.
- UUID GeneratorGenerate random version 4 UUIDs / GUIDs in bulk — up to 1000 at once, uppercase or without hyphens. Free online UUID generator.
- Random Number GeneratorGenerate random numbers between any min and max, with or without repeats. Truly random via crypto. Free online number picker.
- Random String GeneratorGenerate random strings of letters, numbers, hex or custom characters for tokens, IDs and testing. Free and secure.
- Lorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text by paragraphs, sentences or words for designs and mockups. Free dummy text generator.
- Random Name PickerPick a random winner (or several) from a list of names. Perfect for giveaways, raffles and classrooms. Fair, secure randomness. Free.
- Random Team GeneratorSplit a list of names into random, balanced teams or groups. Great for sports, classes and games. Free team randomizer.
- Flip a CoinFlip a virtual coin online — heads or tails, fair and random. Flip many coins at once and see the tally. Free coin toss.
- Dice RollerRoll virtual dice online — d4, d6, d8, d10, d12, d20 or d100, up to 100 dice at once with total. Free random dice roller.
- Yes or No GeneratorCan’t decide? Get a random YES or NO answer instantly. Free online yes/no decision maker.
- Username GeneratorGenerate cool, unique usernames for games, social media and accounts in different styles. Free random username ideas.
- WhatsApp Link GeneratorCreate a wa.me click-to-chat link with your phone number and a pre-filled message. Free WhatsApp link maker.
- Mailto Link GeneratorCreate mailto: email links with subject, CC and body, plus ready-to-paste HTML. Free online mailto generator.
- Secret Santa GeneratorDraw Secret Santa names instantly — nobody gets themselves. Paste names, get gift pairs. Free, no email required.
- Spin the Wheel (Random Picker)Spin a colorful wheel to pick a random winner, food, name or choice. Add your own options. Fair, free and fun.
- Random Word GeneratorGenerate random English words for games, writing prompts, Pictionary and brainstorming. Free.
- Random Letter GeneratorGenerate random letters A–Z, vowels or consonants for games like Scattergories. Free.
- Random Name GeneratorGenerate random full names from around the world for characters, testing and placeholders. Free.
- Random Date GeneratorGenerate random dates between any two dates in your favorite format. Free online random date picker.
- Number Sequence GeneratorGenerate number lists from any start to end with custom step, zero-padding and prefix. Free online list maker.
- Random Country GeneratorPick a random country (with flag) from all nations of the world. Free online random country picker.
- Random Emoji GeneratorGenerate random emojis for games, passwords and fun. Copy and paste. Free.
- Rock Paper ScissorsPlay rock paper scissors against the computer online. Fair random moves. Free and instant.
- Magic 8 BallAsk the Magic 8 Ball a yes-or-no question and get your answer. Free online fortune teller.
- Lottery Number GeneratorGenerate random lottery numbers for any game — Powerball, EuroMillions, Lotto 6/49 — with bonus balls. Free.
- Random Playing Card GeneratorDraw random playing cards from a shuffled 52-card deck. Free online card picker.
- Random Hex Color GeneratorGenerate random hex color codes in bulk for design and testing. Free.
- PIN GeneratorGenerate secure random 4, 5, 6 or 8 digit PIN codes. Created locally with cryptographic randomness. Free.
- Team Name GeneratorGenerate fun, creative team names for sports, quizzes, work and gaming. Free.
🧮 Calculators 87
- Online CalculatorFree online scientific calculator: type expressions with + − × ÷, powers, percentages, square roots, sin, cos, log and parentheses.
- Percentage CalculatorCalculate percentages easily: X% of Y, what percent X is of Y, percentage increase or decrease. Free online percent calculator.
- Percentage Change CalculatorFind the percentage increase or decrease between two numbers instantly. Free online percent change calculator.
- Age CalculatorCalculate exact age in years, months and days from date of birth. See total days, weeks, and days until your next birthday. Free.
- Date Difference CalculatorCount the days between two dates, plus weeks, months, years and business days. Free online date duration calculator.
- Add Days to Date CalculatorAdd or subtract days, weeks, months or years from any date, including business days only. Free online date calculator.
- Days Until CountdownFind out how many days are left until any date — birthdays, holidays, vacations or deadlines. Free days-until calculator.
- BMI CalculatorCalculate your Body Mass Index in metric or imperial units and see your healthy weight range. Free, private online BMI calculator.
- Calorie Calculator (TDEE)Calculate daily calories to maintain, lose or gain weight using the Mifflin-St Jeor formula with your activity level. Free TDEE & BMR calculator.
- Pregnancy Due Date CalculatorEstimate your baby’s due date from your last period, plus how many weeks pregnant you are and your trimester. Free and private.
- Tip CalculatorCalculate the tip and split the bill between people. Choose tip percentage and round up. Free online tip calculator.
- Discount CalculatorCalculate sale prices and savings with percent off, stacked discounts and sales tax. Free online discount calculator.
- Loan / EMI CalculatorCalculate monthly loan payments (EMI), total interest and total cost for mortgages, car and personal loans. Free online loan calculator.
- Compound Interest CalculatorSee how your savings grow with compound interest and monthly contributions over time. Free online investment calculator.
- Simple Interest CalculatorCalculate simple interest and total amount from principal, rate and time. Free online simple interest calculator.
- Sales Tax / VAT CalculatorAdd or remove sales tax, VAT or GST from any price. See net, tax and gross amounts. Free online tax calculator.
- Profit Margin CalculatorCalculate profit, profit margin and markup percentage from cost and selling price. Free online margin calculator for business.
- Fuel Cost CalculatorCalculate the gas cost of a road trip from distance, fuel efficiency (L/100km or MPG) and fuel price. Split the cost. Free.
- Electricity Cost CalculatorCalculate how much an appliance costs to run per day, month and year from its wattage and your kWh price. Free energy cost calculator.
- Hourly to Salary CalculatorConvert hourly wage to annual salary and back — see yearly, monthly, weekly, daily and hourly pay. Free online salary converter.
- Work Hours CalculatorCalculate hours worked between start and end time minus breaks, in hours and decimal, plus pay. Free online timesheet calculator.
- Sleep CalculatorFind the best time to go to bed or wake up based on 90-minute sleep cycles so you wake up refreshed. Free sleep cycle calculator.
- Running Pace CalculatorCalculate running pace per km or mile, speed and projected marathon time from distance and time. Free online pace calculator.
- Average CalculatorCalculate mean, median, mode, sum, range and standard deviation of a list of numbers. Free online average calculator.
- Grade Percentage CalculatorConvert test scores into a percentage and letter grade instantly. Free online grade calculator for students and teachers.
- Unix Timestamp ConverterConvert Unix epoch timestamps to human-readable dates and dates to timestamps (seconds and milliseconds). Free epoch converter.
- Time Zone ConverterConvert a time between time zones around the world — New York, London, India, Tokyo, Sydney and more. Free online time zone converter.
- Aspect Ratio CalculatorCalculate aspect ratio from width and height, and resize while keeping proportions (16:9, 4:3…). Free online aspect ratio calculator.
- PX to REM ConverterConvert pixels to rem and rem to pixels with a custom base font size. Free CSS unit converter for web developers.
- Number Base ConverterConvert numbers between binary, decimal, hexadecimal, octal and base 36, even very large numbers. Free online base converter.
- Download Time CalculatorCalculate how long it takes to download a file based on its size and your internet speed (Mbps, Gbps). Free online tool.
- Mortgage CalculatorCalculate your monthly mortgage payment including principal, interest, property tax, insurance and HOA. Free online home loan calculator.
- Car Loan CalculatorWork out monthly car payments, total interest and total cost of an auto loan from price, rate and term. Free car finance calculator.
- Savings Goal CalculatorFind out how long it takes to reach a savings goal with monthly deposits and interest. Free online savings planner.
- ROI CalculatorCalculate return on investment (ROI) and annualized ROI from the amount invested and returned. Free online ROI calculator.
- CAGR CalculatorCalculate the compound annual growth rate (CAGR) between a starting and ending value over any number of years. Free.
- Break-Even CalculatorFind your break-even point in units and revenue from fixed costs, price and variable cost per unit. Free business calculator.
- Markup CalculatorCalculate selling price, profit and gross margin from cost and markup percentage. Free online markup calculator.
- Inflation CalculatorSee how inflation affects the value of money over time — future cost and lost purchasing power. Free online inflation calculator.
- Credit Card Payoff CalculatorFind out how long it takes to pay off a credit card and how much interest you’ll pay. Free debt payoff calculator.
- Overtime Pay CalculatorCalculate overtime pay and total weekly earnings at time-and-a-half or any multiplier. Free online overtime calculator.
- Commission CalculatorCalculate sales commission and total earnings from sales amount, commission rate and base salary. Free.
- Unit Price CalculatorCompare two products by price per unit to find the better deal at the grocery store. Free unit price comparison calculator.
- Gas Mileage CalculatorCalculate your car’s fuel economy in MPG, L/100km and km/L from distance driven and fuel used. Free.
- EV Charging Cost CalculatorCalculate the cost and time to charge an electric car from battery size, charge level, electricity price and charger power. Free.
- Ratio CalculatorSolve ratios and proportions (A:B = C:?), simplify ratios and convert them to decimals. Free online ratio calculator.
- Fraction CalculatorAdd, subtract, multiply and divide fractions with simplified answers, decimals and mixed numbers. Free online fraction calculator.
- Decimal to Fraction ConverterConvert decimals to fractions and fractions to decimals and percentages instantly. Free online converter.
- Scientific Notation ConverterConvert numbers to and from scientific notation, E notation and engineering notation with chosen significant figures. Free.
- Exponent CalculatorCalculate any number raised to any power, with exact results for big integers. Free online exponent calculator.
- Square Root CalculatorCalculate square roots, cube roots and any nth root instantly. Free online root calculator.
- Logarithm CalculatorCalculate logarithms in any base, plus natural log (ln), log10 and log2. Free online log calculator.
- Factorial CalculatorCalculate the factorial (n!) of numbers up to 5000 with exact big-number results. Free online factorial calculator.
- Prime Number CheckerCheck if a number is prime, see its prime factorization and the next prime number. Free online prime checker.
- GCD & LCM CalculatorFind the greatest common divisor (GCD/GCF/HCF) and least common multiple (LCM) of a list of numbers. Free.
- Quadratic Equation SolverSolve ax² + bx + c = 0 with real or complex roots, discriminant and vertex. Free online quadratic formula calculator.
- Pythagorean Theorem CalculatorFind the missing side of a right triangle with a² + b² = c², plus area, perimeter and angles. Free.
- Area CalculatorCalculate the area and perimeter of rectangles, squares, circles, triangles, trapezoids and ellipses. Free online area calculator.
- Volume CalculatorCalculate the volume of cubes, boxes, cylinders, spheres, cones and pyramids. Free online volume calculator.
- Rounding CalculatorRound numbers to any decimal place or to the nearest 10, 100, 0.5 — also round up and round down. Free.
- Weighted Average CalculatorCalculate a weighted average (weighted mean) from values and their weights. Great for grades. Free.
- GPA CalculatorCalculate your GPA on a 4.0 scale from letter grades and credit hours. Free online college & high school GPA calculator.
- Body Fat CalculatorEstimate your body fat percentage with the U.S. Navy method using height, neck, waist and hip measurements. Free.
- Ideal Weight CalculatorFind your ideal body weight with the Devine, Robinson, Miller and Hamwi formulas plus healthy BMI range. Free.
- Water Intake CalculatorHow much water should you drink a day? Calculate daily water intake from weight, exercise and climate. Free.
- Protein Intake CalculatorCalculate how many grams of protein you need per day to build muscle, lose fat or stay healthy. Free.
- Macro CalculatorSplit your daily calories into protein, carbs and fat grams for balanced, high-protein, low-carb or keto diets. Free.
- Heart Rate Zone CalculatorCalculate your max heart rate and 5 training zones from age and resting heart rate (Karvonen). Free.
- Ovulation CalculatorEstimate your ovulation date, fertile window and next period from your cycle. Free, private ovulation calendar.
- Dog Age CalculatorConvert dog years to human years by size, plus the new DNA-based formula. Free online dog age calculator.
- Cat Age CalculatorConvert your cat’s age to human years and see its life stage. Free online cat age calculator.
- Zodiac Sign CalculatorFind your zodiac (star) sign and Chinese zodiac animal from your birthday. Free horoscope sign finder.
- Day of the Week CalculatorFind what day of the week any date was or will be — birthdays, historical events and future dates. Free.
- Week Number CalculatorFind the ISO week number of any date (and the US week number). Free online week number lookup.
- Leap Year CheckerCheck if a year is a leap year and find the next leap year. Free online leap year calculator.
- Time CalculatorAdd or subtract times in hours, minutes and seconds (h:mm:ss) and convert to decimal hours. Free online time calculator.
- Time to Decimal ConverterConvert hours and minutes to decimal hours (7:45 = 7.75) and back — perfect for timesheets and payroll. Free.
- Military Time ConverterConvert 12-hour AM/PM time to 24-hour military time and back. Free online military time converter.
- Age Difference CalculatorCalculate the exact age gap between two people in years, months and days. Free age difference calculator.
- Paint CalculatorEstimate how much paint you need for a room from wall size, doors, windows and coats. Free online paint calculator.
- Concrete CalculatorCalculate concrete volume in cubic meters and yards and how many bags you need for a slab. Free.
- Tile CalculatorCalculate how many tiles and boxes you need for a floor or wall, including waste. Free online tile calculator.
- Screen Size CalculatorCalculate a screen’s width, height and PPI from its diagonal size, aspect ratio and resolution. Free.
- Ohm’s Law CalculatorCalculate voltage, current, resistance and power with Ohm’s law (V = I × R). Free online electronics calculator.
- Chmod CalculatorBuild Linux file permissions with checkboxes and get the chmod number (755, 644…) and symbolic notation. Free.
- Date Format ConverterConvert any date into ISO 8601, RFC 2822, US, European, Unix and SQL date formats. Free online date formatter.
- Love CalculatorEnter two names and get a fun love compatibility score. Just for laughs — free online love calculator.
📏 Unit converters 114
- Length ConverterConvert length units: meters, kilometers, centimeters, inches, feet, yards and miles. Instant results and full conversion table. Free.
- Weight ConverterConvert weight and mass: kilograms, pounds, grams, ounces, stones and tons instantly. Free online weight converter.
- Temperature ConverterConvert Celsius to Fahrenheit, Fahrenheit to Celsius, and Kelvin instantly. Free online temperature converter.
- Area ConverterConvert area units: square meters, square feet, acres, hectares, square kilometers and miles. Free online area converter.
- Volume ConverterConvert liters, milliliters, gallons, cups, ounces, tablespoons and teaspoons. Great for cooking. Free volume converter.
- Speed ConverterConvert speed: km/h, mph, meters per second, knots and Mach. Free online speed converter.
- Time Unit ConverterConvert seconds, minutes, hours, days, weeks, months and years. Free online time unit converter.
- Data Storage ConverterConvert bytes, KB, MB, GB, TB and bits — both decimal (1000) and binary (1024, KiB/MiB/GiB). Free file size converter.
- Pressure ConverterConvert pressure units: PSI, bar, pascal, kPa, atmosphere and mmHg. Free online pressure converter for tires and more.
- Energy ConverterConvert energy units: joules, calories, kilocalories, kWh, Wh and BTU. Free online energy converter.
- Power ConverterConvert power units: watts, kilowatts, horsepower, metric horsepower and BTU/hour. Free online power converter.
- Angle ConverterConvert angles between degrees, radians, gradians, turns, arcminutes and arcseconds. Free online angle converter.
- Frequency ConverterConvert hertz, kilohertz, megahertz, gigahertz and RPM. Free online frequency converter.
- Fuel Economy ConverterConvert MPG (US & UK), L/100km and km/L instantly. Free online fuel economy converter.
- CM to Inches ConverterConvert cm to inches instantly: 1 centimeter = 0.3937007874 inch. Includes a quick conversion chart. Free, no sign up.
- Inches to CM ConverterConvert inches to cm instantly: 1 inch = 2.54 centimeter. Includes a quick conversion chart. Free, no sign up.
- MM to Inches ConverterConvert mm to inches instantly: 1 millimeter = 0.0393700787 inch. Includes a quick conversion chart. Free, no sign up.
- Inches to MM ConverterConvert inches to mm instantly: 1 inch = 25.4 millimeter. Includes a quick conversion chart. Free, no sign up.
- Meters to Feet ConverterConvert meters to feet instantly: 1 meter = 3.280839895 foot. Includes a quick conversion chart. Free, no sign up.
- Feet to Meters ConverterConvert feet to meters instantly: 1 foot = 0.3048 meter. Includes a quick conversion chart. Free, no sign up.
- KM to Miles ConverterConvert km to miles instantly: 1 kilometer = 0.6213711922 mile. Includes a quick conversion chart. Free, no sign up.
- Miles to KM ConverterConvert miles to km instantly: 1 mile = 1.609344 kilometer. Includes a quick conversion chart. Free, no sign up.
- Feet to Inches ConverterConvert feet to inches instantly: 1 foot = 12 inch. Includes a quick conversion chart. Free, no sign up.
- Inches to Feet ConverterConvert inches to feet instantly: 1 inch = 0.0833333333 foot. Includes a quick conversion chart. Free, no sign up.
- CM to Feet ConverterConvert cm to feet instantly: 1 centimeter = 0.032808399 foot. Includes a quick conversion chart. Free, no sign up.
- Feet to CM ConverterConvert feet to cm instantly: 1 foot = 30.48 centimeter. Includes a quick conversion chart. Free, no sign up.
- Yards to Meters ConverterConvert yards to meters instantly: 1 yard = 0.9144 meter. Includes a quick conversion chart. Free, no sign up.
- Meters to Yards ConverterConvert meters to yards instantly: 1 meter = 1.093613298 yard. Includes a quick conversion chart. Free, no sign up.
- MM to CM ConverterConvert mm to cm instantly: 1 millimeter = 0.1 centimeter. Includes a quick conversion chart. Free, no sign up.
- Nautical Miles to KM ConverterConvert nautical miles to km instantly: 1 nautical mile = 1.852 kilometer. Includes a quick conversion chart. Free, no sign up.
- KG to LBS ConverterConvert kg to lbs instantly: 1 kilogram = 2.204622622 pound. Includes a quick conversion chart. Free, no sign up.
- LBS to KG ConverterConvert lbs to kg instantly: 1 pound = 0.45359237 kilogram. Includes a quick conversion chart. Free, no sign up.
- Grams to Ounces ConverterConvert grams to ounces instantly: 1 gram = 0.035273962 ounce. Includes a quick conversion chart. Free, no sign up.
- Ounces to Grams ConverterConvert ounces to grams instantly: 1 ounce = 28.34952313 gram. Includes a quick conversion chart. Free, no sign up.
- Stone to KG ConverterConvert stone to kg instantly: 1 stone = 6.35029318 kilogram. Includes a quick conversion chart. Free, no sign up.
- KG to Stone ConverterConvert kg to stone instantly: 1 kilogram = 0.1574730444 stone. Includes a quick conversion chart. Free, no sign up.
- LBS to Stone ConverterConvert lbs to stone instantly: 1 pound = 0.0714285714 stone. Includes a quick conversion chart. Free, no sign up.
- Grams to Pounds ConverterConvert grams to pounds instantly: 1 gram = 0.0022046226 pound. Includes a quick conversion chart. Free, no sign up.
- Pounds to Ounces ConverterConvert pounds to ounces instantly: 1 pound = 16 ounce. Includes a quick conversion chart. Free, no sign up.
- MG to Grams ConverterConvert mg to grams instantly: 1 milligram = 0.001 gram. Includes a quick conversion chart. Free, no sign up.
- Tons to KG ConverterConvert tons to kg instantly: 1 metric ton = 1,000 kilogram. Includes a quick conversion chart. Free, no sign up.
- Carats to Grams ConverterConvert carats to grams instantly: 1 carat = 0.2 gram. Includes a quick conversion chart. Free, no sign up.
- Celsius to Fahrenheit ConverterConvert celsius to fahrenheit instantly: 1 celsius = 33.8 fahrenheit. Includes a quick conversion chart. Free, no sign up.
- Fahrenheit to Celsius ConverterConvert fahrenheit to celsius instantly: 1 fahrenheit = -17.22222222 celsius. Includes a quick conversion chart. Free, no sign up.
- Celsius to Kelvin ConverterConvert celsius to kelvin instantly: 1 celsius = 274.15 kelvin. Includes a quick conversion chart. Free, no sign up.
- Kelvin to Celsius ConverterConvert kelvin to celsius instantly: 1 kelvin = -272.15 celsius. Includes a quick conversion chart. Free, no sign up.
- Fahrenheit to Kelvin ConverterConvert fahrenheit to kelvin instantly: 1 fahrenheit = 255.9277778 kelvin. Includes a quick conversion chart. Free, no sign up.
- Liters to Gallons ConverterConvert liters to gallons instantly: 1 liter = 0.2641721769 gallon (us). Includes a quick conversion chart. Free, no sign up.
- Gallons to Liters ConverterConvert gallons to liters instantly: 1 gallon (us) = 3.78541 liter. Includes a quick conversion chart. Free, no sign up.
- ML to Fl Oz ConverterConvert ml to fl oz instantly: 1 milliliter = 0.0338140565 fluid ounce (us). Includes a quick conversion chart. Free, no sign up.
- Fl Oz to ML ConverterConvert fl oz to ml instantly: 1 fluid ounce (us) = 29.5735 milliliter. Includes a quick conversion chart. Free, no sign up.
- Cups to ML ConverterConvert cups to ml instantly: 1 cup (us) = 236.588 milliliter. Includes a quick conversion chart. Free, no sign up.
- ML to Cups ConverterConvert ml to cups instantly: 1 milliliter = 0.0042267571 cup (us). Includes a quick conversion chart. Free, no sign up.
- Tablespoons to ML ConverterConvert tablespoons to ml instantly: 1 tablespoon (us) = 14.7868 milliliter. Includes a quick conversion chart. Free, no sign up.
- Teaspoons to ML ConverterConvert teaspoons to ml instantly: 1 teaspoon (us) = 4.92892 milliliter. Includes a quick conversion chart. Free, no sign up.
- Tablespoons to Teaspoons ConverterConvert tablespoons to teaspoons instantly: 1 tablespoon (us) = 3.000008115 teaspoon (us). Includes a quick conversion chart. Free, no sign up.
- Cups to Tablespoons ConverterConvert cups to tablespoons instantly: 1 cup (us) = 15.9999459 tablespoon (us). Includes a quick conversion chart. Free, no sign up.
- Liters to Cups ConverterConvert liters to cups instantly: 1 liter = 4.226757063 cup (us). Includes a quick conversion chart. Free, no sign up.
- Quarts to Liters ConverterConvert quarts to liters instantly: 1 quart (us) = 0.946353 liter. Includes a quick conversion chart. Free, no sign up.
- Pints to Liters ConverterConvert pints to liters instantly: 1 pint (us) = 0.473176 liter. Includes a quick conversion chart. Free, no sign up.
- ML to Liters ConverterConvert ml to liters instantly: 1 milliliter = 0.001 liter. Includes a quick conversion chart. Free, no sign up.
- Cubic Feet to Liters ConverterConvert cubic feet to liters instantly: 1 cubic foot = 28.3168 liter. Includes a quick conversion chart. Free, no sign up.
- Square Feet to Square Meters ConverterConvert square feet to square meters instantly: 1 square foot = 0.09290304 square meter. Includes a quick conversion chart. Free, no sign up.
- Square Meters to Square Feet ConverterConvert square meters to square feet instantly: 1 square meter = 10.76391042 square foot. Includes a quick conversion chart. Free, no sign up.
- Acres to Hectares ConverterConvert acres to hectares instantly: 1 acre = 0.4046856422 hectare. Includes a quick conversion chart. Free, no sign up.
- Hectares to Acres ConverterConvert hectares to acres instantly: 1 hectare = 2.471053815 acre. Includes a quick conversion chart. Free, no sign up.
- Acres to Square Feet ConverterConvert acres to square feet instantly: 1 acre = 43,560 square foot. Includes a quick conversion chart. Free, no sign up.
- Square KM to Square Miles ConverterConvert square km to square miles instantly: 1 square kilometer = 0.3861021585 square mile. Includes a quick conversion chart. Free, no sign up.
- KMH to MPH ConverterConvert kmh to mph instantly: 1 km/hour = 0.6213711922 miles/hour. Includes a quick conversion chart. Free, no sign up.
- MPH to KMH ConverterConvert mph to kmh instantly: 1 miles/hour = 1.609344 km/hour. Includes a quick conversion chart. Free, no sign up.
- Knots to KMH ConverterConvert knots to kmh instantly: 1 knot = 1.8519984 km/hour. Includes a quick conversion chart. Free, no sign up.
- Knots to MPH ConverterConvert knots to mph instantly: 1 knot = 1.150778454 miles/hour. Includes a quick conversion chart. Free, no sign up.
- Meters per Second to KMH ConverterConvert meters per second to kmh instantly: 1 meters/second = 3.6 km/hour. Includes a quick conversion chart. Free, no sign up.
- MB to GB ConverterConvert mb to gb instantly: 1 megabyte = 0.001 gigabyte. Includes a quick conversion chart. Free, no sign up.
- GB to MB ConverterConvert gb to mb instantly: 1 gigabyte = 1,000 megabyte. Includes a quick conversion chart. Free, no sign up.
- GB to TB ConverterConvert gb to tb instantly: 1 gigabyte = 0.001 terabyte. Includes a quick conversion chart. Free, no sign up.
- TB to GB ConverterConvert tb to gb instantly: 1 terabyte = 1,000 gigabyte. Includes a quick conversion chart. Free, no sign up.
- KB to MB ConverterConvert kb to mb instantly: 1 kilobyte (1000) = 0.001 megabyte. Includes a quick conversion chart. Free, no sign up.
- Mbps to MB/s ConverterConvert mbps to mb/s instantly: 1 megabit = 0.125 megabyte. Includes a quick conversion chart. Free, no sign up.
- GiB to GB ConverterConvert gib to gb instantly: 1 gibibyte = 1.073741824 gigabyte. Includes a quick conversion chart. Free, no sign up.
- Hours to Minutes ConverterConvert hours to minutes instantly: 1 hour = 60 minute. Includes a quick conversion chart. Free, no sign up.
- Minutes to Hours ConverterConvert minutes to hours instantly: 1 minute = 0.0166666667 hour. Includes a quick conversion chart. Free, no sign up.
- Seconds to Minutes ConverterConvert seconds to minutes instantly: 1 second = 0.0166666667 minute. Includes a quick conversion chart. Free, no sign up.
- Days to Hours ConverterConvert days to hours instantly: 1 day = 24 hour. Includes a quick conversion chart. Free, no sign up.
- Weeks to Days ConverterConvert weeks to days instantly: 1 week = 7 day. Includes a quick conversion chart. Free, no sign up.
- Years to Days ConverterConvert years to days instantly: 1 year (365.25 d) = 365.25 day. Includes a quick conversion chart. Free, no sign up.
- Milliseconds to Seconds ConverterConvert milliseconds to seconds instantly: 1 millisecond = 0.001 second. Includes a quick conversion chart. Free, no sign up.
- PSI to Bar ConverterConvert psi to bar instantly: 1 psi = 0.06894757 bar. Includes a quick conversion chart. Free, no sign up.
- Bar to PSI ConverterConvert bar to psi instantly: 1 bar = 14.50377439 psi. Includes a quick conversion chart. Free, no sign up.
- kPa to PSI ConverterConvert kpa to psi instantly: 1 kilopascal = 0.1450377439 psi. Includes a quick conversion chart. Free, no sign up.
- ATM to PSI ConverterConvert atm to psi instantly: 1 atmosphere = 14.6959494 psi. Includes a quick conversion chart. Free, no sign up.
- mmHg to kPa ConverterConvert mmhg to kpa instantly: 1 mmhg = 0.133322 kilopascal. Includes a quick conversion chart. Free, no sign up.
- Kcal to kJ ConverterConvert kcal to kj instantly: 1 kilocalorie (food) = 4.184 kilojoule. Includes a quick conversion chart. Free, no sign up.
- kJ to Kcal ConverterConvert kj to kcal instantly: 1 kilojoule = 0.2390057361 kilocalorie (food). Includes a quick conversion chart. Free, no sign up.
- Calories to Joules ConverterConvert calories to joules instantly: 1 calorie = 4.184 joule. Includes a quick conversion chart. Free, no sign up.
- kWh to BTU ConverterConvert kwh to btu instantly: 1 kilowatt-hour = 3,412.12822 btu. Includes a quick conversion chart. Free, no sign up.
- Horsepower to kW ConverterConvert horsepower to kw instantly: 1 horsepower (mech.) = 0.7457 kilowatt. Includes a quick conversion chart. Free, no sign up.
- kW to Horsepower ConverterConvert kw to horsepower instantly: 1 kilowatt = 1.341021859 horsepower (mech.). Includes a quick conversion chart. Free, no sign up.
- Watts to Horsepower ConverterConvert watts to horsepower instantly: 1 watt = 0.0013410219 horsepower (mech.). Includes a quick conversion chart. Free, no sign up.
- Degrees to Radians ConverterConvert degrees to radians instantly: 1 degree = 0.0174532925 radian. Includes a quick conversion chart. Free, no sign up.
- Radians to Degrees ConverterConvert radians to degrees instantly: 1 radian = 57.29577951 degree. Includes a quick conversion chart. Free, no sign up.
- MPG to L/100km ConverterConvert mpg to l/100km instantly: 1 miles per gallon (us) = 235.2144215 liters per 100 km. Includes a quick conversion chart. Free, no sign up.
- L/100km to MPG ConverterConvert l/100km to mpg instantly: 1 liters per 100 km = 235.2144215 miles per gallon (us). Includes a quick conversion chart. Free, no sign up.
- Newtons to Pounds-Force ConverterConvert newtons to pounds-force instantly: 1 newton = 0.2248089237 pound-force. Includes a quick conversion chart. Free, no sign up.
- Nm to Ft-Lbs ConverterConvert nm to ft-lbs instantly: 1 newton-meter = 0.7375621212 pound-foot. Includes a quick conversion chart. Free, no sign up.
- Ft-Lbs to Nm ConverterConvert ft-lbs to nm instantly: 1 pound-foot = 1.355818 newton-meter. Includes a quick conversion chart. Free, no sign up.
- PT to PX ConverterConvert pt to px instantly: 1 point = 1.333333333 pixel (css, 96/in). Includes a quick conversion chart. Free, no sign up.
- PX to PT ConverterConvert px to pt instantly: 1 pixel (css, 96/in) = 0.75 point. Includes a quick conversion chart. Free, no sign up.
- Force ConverterConvert force units: newtons, kilonewtons, pound-force, kilogram-force and dynes. Instant results and full conversion table. Free.
- Torque ConverterConvert torque between newton-meters, pound-feet, pound-inches and kilogram-meters — perfect for bolts and engines. Free.
- Density ConverterConvert density units: kg/m³, g/cm³, g/mL, lb/ft³ and lb/gal. Free online density converter.
- Flow Rate ConverterConvert flow rates: liters per minute, GPM, cubic meters per hour, CFM and liters per second. Free.
- Acceleration ConverterConvert acceleration between m/s², g-force, ft/s² and Gal. Free online acceleration converter.
- Typography Unit ConverterConvert font and print sizes between points, pixels, picas, inches, millimeters and ems. Free tool for designers.
🎨 Color & CSS 9
- Color Picker & ConverterPick any color and get HEX, RGB, HSL, HSV and CMYK codes plus tints and shades. Type color names too. Free online color picker.
- HEX to RGB ConverterConvert HEX color codes to RGB, HSL and CMYK and back. Copy any format in one click. Free online color code converter.
- Color Palette GeneratorGenerate harmonious color palettes — analogous, complementary, triadic, monochromatic — from any base color. Copy HEX or CSS. Free.
- Color Contrast CheckerCheck text and background color contrast against WCAG AA and AAA accessibility standards with a live preview. Free contrast checker.
- CSS Gradient GeneratorCreate beautiful linear, radial and conic CSS gradients with a live preview and copy the code. Free online gradient generator.
- CSS Box Shadow GeneratorDesign CSS box shadows visually with offset, blur, spread, color and inset, then copy the code. Free box-shadow generator.
- CSS Border Radius GeneratorCreate rounded corners and blob shapes with a visual CSS border-radius generator. Copy the code. Free.
- CSS Text Shadow GeneratorMake glowing, 3D or subtle CSS text shadows with live preview and copy the code. Free online text-shadow generator.
- Glassmorphism CSS GeneratorGenerate frosted-glass (glassmorphism) CSS with backdrop blur, transparency and border. Live preview, copy code. Free.
🧰 Everyday utilities 22
- Online NotepadA simple online notepad that auto-saves in your browser. No login, no cloud — just type. Download as .txt anytime. Free.
- Online StopwatchFree online stopwatch with lap times and hundredths of a second. Start, pause, lap and reset — works full screen on any device.
- Countdown TimerSet a countdown timer for any hours, minutes and seconds with an alarm sound when it ends. Quick presets. Free online timer.
- Pomodoro TimerStay focused with a Pomodoro timer: 25-minute focus sessions, short and long breaks, sound alerts. Customizable. Free.
- Typing Speed TestTest your typing speed in words per minute (WPM) and accuracy. 15, 30, 60 or 120 second tests. Free online typing test.
- Tally Counter (Click Counter)A free online click counter for counting people, laps, reps or inventory. Multiple counters, keyboard shortcuts, saved in your browser.
- Online Signature MakerDraw your signature with mouse, finger or stylus and download it as a transparent PNG for documents and PDFs. Free signature maker.
- Online Drawing BoardA free online drawing board and sketch pad with colors, brush sizes, eraser and undo. Download your drawing as PNG or JPG.
- Create ZIP File OnlineCompress files into a ZIP archive right in your browser. Choose compression level and name. Free online ZIP maker — nothing uploaded.
- Unzip Files OnlineOpen ZIP archives online, see what’s inside and download individual files. Free online unzip tool that works privately in your browser.
- World ClockSee the current time in cities around the world side by side. Add any time zone; day/night icons. Free world clock.
- Online Clock (Full Screen)A big, clean full-screen digital clock with seconds and date. 12 or 24 hour. Free online clock.
- Online Alarm ClockSet an alarm in your browser with a label and snooze. No app needed. Free online alarm clock.
- Interval Timer (HIIT / Tabata)Free HIIT interval timer with work/rest rounds and beeps — Tabata, 30/10, 45/15 presets. Perfect for workouts.
- Click Speed Test (CPS)How fast can you click? Test your clicks per second (CPS) in 1, 5, 10, 30 or 60 seconds. Free CPS tester.
- Spacebar CounterTest how fast you can press the spacebar. Count presses per second in timed rounds. Free spacebar speed test.
- Reaction Time TestTest your reflexes: click as soon as the screen turns green and see your reaction time in milliseconds. Free.
- Dead Pixel TestFind dead or stuck pixels on your monitor, laptop or phone with full-screen color tests. Free online screen test.
- White Screen (Full Screen Light)Turn your screen into a bright white light — for video calls, cleaning, or as a soft lamp. Any color too. Free.
- Full Screen Color TestFill your screen with any solid color to test monitors, backlight bleed or create mood lighting. Free.
- Breathing ExerciseGuided breathing with an animated circle — box breathing, 4-7-8 relax and more. Calm down in one minute. Free.
- Online To-Do ListA simple, fast to-do list that saves in your browser. No account, no sync, no tracking. Free online checklist.