Tools HMAC Generator Sign a message with a secret key using SHA-1, SHA-256, SHA-384 or SHA-512. These tools run in the browser, so this one needs JavaScript enabled. Message Secret key Algorithm HMAC-SHA-256 HMAC-SHA-384 HMAC-SHA-512 HMAC-SHA-1 Output Hex Base64 Signature Sign Copy output Clear This runs entirely in your browser. Nothing you type here is sent to the server, logged, or leaves your machine.
