192 free tools

SHA-256 Hash Generator

Generate the SHA-256 hash of any text or file and compare it with a known checksum to verify downloads. Private, in-browser and free.

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Use SHA-256 or stronger for anything security-related; MD5 and SHA-1 are only fit for checksums.

How to use SHA-256 Hash Generator

  1. Type text or choose a file.
  2. Copy the SHA-256 hash (other hashes are shown too).
  3. Paste a published checksum to confirm a download is genuine.

Privacy

Runs entirely in your browser. Nothing you enter or open here is uploaded.

Questions

Can a SHA-256 hash be reversed?

No. It's a one-way function — but short, common inputs can be guessed, so never use plain hashes to store passwords.

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