Runs locally
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
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Hashes the text with the Web Crypto API. SHA-1 is labeled as a legacy checksum. The text is not uploaded.
About this tool
Get a checksum for a string, compare a value with a known hash or prepare test data. Pick the algorithm and the hex digest is computed by your browser's built-in crypto.
How to use it
- 01
Paste the text.
- 02
Choose SHA-256, SHA-384, SHA-512 or SHA-1.
- 03
Copy the hex hash.
FAQ
Frequently asked questions
Is MD5 available?
No. Only SHA family algorithms from the Web Crypto API are offered; SHA-1 is labeled as a legacy checksum.
Should I hash passwords with SHA-256?
No. Passwords need a slow, salted algorithm such as bcrypt or Argon2, not a fast hash.