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Verify files without uploading

File Hash

Calculate SHA-256, SHA-384 or SHA-512 checksums for files entirely on this device.

Files stay on this device
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Drop files here

Choose one or more files. Large files require enough browser memory.

Results

01 / Content summary

Create file fingerprints for verification

Calculate SHA-256, SHA-384 and SHA-512 digests to compare downloads, releases or duplicate files without changing them.

02 / How to use

Calculate and compare

Select one or more files, choose the hash algorithms, calculate the values, then copy and compare them with the checksum supplied by the source.

03 / Method and sources

Method and sources

Random values and file digests use the browser Web Crypto API. Password generation uses crypto.getRandomValues; hashes use crypto.subtle.digest.

04 / FAQ

Frequently asked questions

What can File Hash do?

Calculate SHA-256, SHA-384 and SHA-512 digests to compare downloads, releases or duplicate files without changing them.

How do I use File Hash?

Select one or more files, choose the hash algorithms, calculate the values, then copy and compare them with the checksum supplied by the source.

Does File Hash upload my data?

The tool runs in your browser. Your selected files, entered content and generated results are not sent to Zituo Tools.