Hash Generator Online — SHA-256, SHA-512 Free

Compute cryptographic hashes of text or files, instantly.

Downloaded a Linux ISO and want to verify it's genuine? Need a SHA-256 fingerprint of a document? Hashing turns any input into a fixed-length fingerprint — change one byte and the hash changes completely, which makes it perfect for integrity checks.

The faymox hash generator computes SHA-1, SHA-256, SHA-384, and SHA-512 for typed text or dropped files, using the browser's built-in crypto engine. Files are hashed locally — a 2GB ISO never needs uploading just to check its checksum.

Hash something in 3 steps

  1. Open the faymox Hash Generator.
  2. Type text or drop a file into the tool.
  3. Pick the algorithm (SHA-256 is the standard choice) and copy the resulting hash.

Generate hash now

FAQ

Which algorithm should I use?

SHA-256 for almost everything — it's the modern standard for checksums. SHA-512 for extra margin, SHA-1 only when a site specifically asks for it (it's outdated for security).

How do I verify a download?

Hash the downloaded file and compare the result with the checksum published by the software vendor. Identical strings mean an intact, untampered file.

Are my files uploaded?

No — files are read and hashed locally in your browser, whatever their size.

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