File Checksum (SHA-256)

Check that a download is genuine by comparing its checksum with the one the publisher shows. Calculated on your device, so even large files stay private.

Runs in your browser. Your files never leave your device.

1Add file
2Adjust
3Download

Add files to checkChoose files, drag and drop, or pasteCompare the result with the checksum the download page shows.

How it works

01Add your file.
02Choose the algorithm.
03Compare the result with the published checksum.

Guides for this tool

How to Verify a Download With a SHA-256 ChecksumA checksum proves a file was not damaged or changed. Learn what SHA-256 is and how to check a download in your browser without uploading it.2 min

Questions

Which algorithm should I use?

SHA-256 is the most common. Use whichever the publisher lists.

Is my file uploaded to a server?

No. Everything happens inside your browser on your own device. Your files are never sent to us or anyone else.

Is it free?

Yes. It is free to use, with no signup, no watermark and no daily limit.

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