100% in your browser · data never leaves your device

MD5, SHA-1, SHA-256, SHA-512 & CRC32 Hash Generator — Free

Generate MD5, SHA-1, SHA-256, SHA-512, and CRC32 hashes in your browser via Web Crypto. Your input is never uploaded. Free and unlimited.

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How to use Hash Generator

  1. 1Type or paste the text to hash into the input box.
  2. 2Pick an algorithm: MD5, SHA-1, SHA-256, SHA-512, or CRC32.
  3. 3The hash is computed locally via Web Crypto (and pure-JS MD5/CRC32).
  4. 4Copy the hex digest. sha256('abc') starts with ba7816bf8f…

Hash Generator FAQ

sha256('abc') equals what?
It is ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad — try it. SHA-1/256/512 use the browser's Web Crypto; MD5 and CRC32 are pure JS.
Is my input uploaded to hash it?
No. Hashing runs locally via the browser's SubtleCrypto API (and pure-JS MD5/CRC32). Your text never leaves your device.