HMAC Generator
Compute HMAC of text with a secret key using SHA-1, SHA-256, SHA-384, or SHA-512 via the Web Crypto API. Browser-only.
100% in your browser. Files never uploaded.
HMAC (SHA-256) hex
Result will appear here.How to use
- 1Enter key + messageBoth UTF-8 strings.
- 2Pick the SHA variantSHA-1/256/384/512 via Web Crypto.
- 3Read the hexCopy with one click. Nothing leaves your browser.