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File Hash and Checksum Verifier

Verify downloads or compare files without uploading their contents.

This tool processes selected files in your browser.

Accepted: */*. Desktop cap 512 MiB per file.

Algorithm

MD5 and SHA-1 are compatibility checks, not collision-resistant security guarantees.

Expected digest

Optional hex digest to compare. Odd or non-hex values are rejected.

Read chunk MB

Output

How it works

Processing stays in this browser tab. Source files are not uploaded. Export is a new copy; originals are not overwritten.