Tools

Hash & HMAC Calculator

Generate SHA-256, SHA-384, SHA-512, and HMAC values with browser Web Crypto.

Web Crypto runs locally; values are never stored or sent.
Message inputUTF-8 text to digest
Input size0 characters
Crypto resultWaiting for input
No result yet0 characters

Private by design

Nothing is uploaded, logged, or saved. Avoid pasting live secrets into shared screens.