Which algorithms are supported?

CRC-32 plus the SHA family: SHA-1, SHA-256 and SHA-512.

The Web Crypto API doesn't provide MD5; the SHA family is recommended for integrity checks.

No, hashing uses the browser's native crypto entirely on your device.

File Checksum

Drop a file to compute its CRC-32, SHA-1, SHA-256 and SHA-512 checksums for integrity verification. Runs in your browser.

Drop any file or click to uploadProcessed in your browser — never uploaded.