Verify Data Hash

Compute a SHA-256 digest in your browser for a quick integrity check. File bytes never leave your device. To authenticate L3dgr .f33 sidecars and sealed trees, install fors33-verifier with pip and run --mode auto or --mode sidecars. See the ten-minute recipe.

Mode: Local

Drop a file here or click to select

This web tool runs entirely in your browser. It does not use the L3dgr Docker Desktop Extension airlock, L3dgr account OAuth, or L3dgr optional technical telemetry. The MIT-licensed verifier and scanner images support integrity checks and audit preparation only. They do not certify compliance with SEC Rule 17a-4(f) or any other regulatory framework.

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Hash workbench