utilbin / checksum-checker client-side hash compare

Checksum checker

Compare two local files, two URLs, or one of each. Runs in your browser. Nothing is uploaded.

Source A

Source type

Choose file

Waiting for input.

Source B

Source type

Choose file

Waiting for input.

Algorithms: MD5, SHA-1, SHA-256, SHA-384, SHA-512

URL note: remote files must allow browser CORS or the fetch will fail.

Results

Algorithm	Source A	Source B	Match
MD5	Pick sources, then compare.

For local files, the browser reads the file directly from your machine. For URLs, the browser fetches the file itself. There is no server-side proxy here.