Generate SHA-256 and SHA-1 cryptographic hashes from any text. Uses the browser's built-in SubtleCrypto — nothing is uploaded.
✓ Free forever
✓ No sign up
✓ No file size limits
✓ Works on all devices
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Your files are safe and private
Files uploaded via HTTPS, processed securely, deleted after 1 hour. Never shared.
Frequently asked questions
SHA-256 and SHA-1, using the browser's native SubtleCrypto API. Note: MD5 is not available in browsers natively; we show the SHA-256 prefix as an alternative.
No — hashing runs entirely in your browser using Web Crypto. Nothing is transmitted.
Yes, completely free, forever. No hidden fees, no subscriptions, no sign up required.
Yes — iPhone, Android, Mac, Windows, any browser. No app download needed.