Local developer utility

File Checksum Verifier

Stream a local file through SHA-256 or SHA-512 and compare with an expected checksum. Your input stays in your browser while you work.

File Checksum Verifier🔒 Processed locally

Choose local file

Your files stay on this device.

Nothing selected

Or drag and drop here

How to use File Checksum Verifier

Choose a local file above, enter any requested options, then run the action. The generated file appears with its own download control.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

Files are read in chunks locally. An expected digest must be hexadecimal and match the selected algorithm.

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