Runs locally · nothing uploaded
Checksum Verifier
Pick a file, paste the hash you were given, and confirm they match before you trust or run the file.
Drop a file here, or click to browse
The file is hashed in your browser and never leaves this device
The browser's built-in Web Crypto API is used here - no network request is made with your file or its hash. The whole file is read into memory to hash it, so very large files can be slow or, past a point, fail outright.