File Checksum Calculator
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 checksums of any file and verify downloads. Runs in your browser, no upload. Free.
✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
MD5
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SHA-1
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SHA-256
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SHA-384
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SHA-512
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How to use File Checksum Calculator
- 1Drop your file into the box above.
- 2Adjust the options.
- 3Download the result — everything happens on your device.
Questions
Is File Checksum Calculator free?
Yes. File Checksum Calculator is 100% free with no limits, no watermark, no sign up and no email required.
Are my files uploaded to a server?
No. Your files are processed entirely inside your browser using JavaScript. They never leave your device, so it is private and works even on slow connections.
Does File Checksum Calculator work on my phone?
Yes. File Checksum Calculator works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.
Do I need to create an account?
Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.