Checksum tool

Checksum Generator & Verifier

Runs locally in your browser using Web Crypto so you can verify file integrity without uploading the asset anywhere.

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SHA256Digest
BrowserClient-side only
OptionalExpected hash compare
Use this when a manifest, CI log, or incident report gives you an expected checksum and you need to confirm whether the current file matches it.
Example workflow

Keep the evidence copy-ready.

  • Input: `png_500x300_sample_file_13KB.png` and expected SHA256 from the manifest.
  • Match case: status confirms the computed value equals the expected hash.
  • Mismatch case: status shows drift so you can route the incident into triage.