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Check file checksums (MD5, SHA-1, SHA-256)

Check a digest against the checksums recorded in this catalogue, or compute one for a file on your own device. Files are never uploaded — hashing happens in your browser.

A checksum match means the file matches a recorded value; it does not prove who published the file or that it is safe.

Enter a checksum

The algorithm is determined from the digest length, so you do not need to select one.

Surrounding whitespace is ignored and the value is matched case-insensitively against indexed digests.

Or checksum a file on this device

The file is read in your browser and never uploaded. Large images are processed in chunks, so memory stays bounded regardless of size.

or drop a file here