Security / Checksums

File Hash

Create a cryptographic checksum for any file and compare it with a value supplied by a publisher. The file never leaves your device.

Runs entirely on your deviceNo uploads, accounts, or tracking.

File and result

The calculation happens in this browser tab

Drop any file hereor choose one from your deviceMaximum size: 500 MB
1. Add your data

Choose any file up to 500 MB.

2. Choose the result

Select SHA-256, SHA-384, or SHA-512.

3. Save it locally

Copy the checksum and compare it character for character.