Online HMAC hash generator: HMAC-MD5, HMAC-SHA

A keyed-hash message authentication code (HMAC) uses a cryptographic hash function (MD5, SHA-1, SHA-512 …) and a secret cryptographic key to verify both the data integrity and the authentication of a message.

• Hex to ascii85
• Text to decimal
• ROT13 to text
• URL encode
• Rail fence cipher