SHA-1 Hash Generator
Generate SHA-1 hashes from text or files instantly. Runs locally in your browser — your data is never uploaded. Free online SHA-1 checksum tool.
✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
SHA-1
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How to use SHA-1 Hash Generator
- 1Drop your file into the box above.
- 2Adjust the options.
- 3Download the result — everything happens on your device.
Questions
Is SHA-1 Hash Generator free?
Yes. SHA-1 Hash Generator 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 SHA-1 Hash Generator work on my phone?
Yes. SHA-1 Hash Generator 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.