encode

Hash

Hashes

AlgorithmHexBase64
MD5
SHA-1
SHA-256
SHA-384
SHA-512
CRC32

HMAC

AlgorithmHexBase64
HMAC-SHA-1
HMAC-SHA-256
HMAC-SHA-384
HMAC-SHA-512

Compare

Files are read by your browser and never uploaded; nothing you type is sent to the server. The HMAC key is not kept in the address bar. MD5, SHA-1 and CRC32 are fine for checksums but not for security.