HMAC generator
Make HMAC-SHA256, HMAC-SHA512 and other HMACs with your key, in your browser. The key is never sent.
Hashes
Type something or open a file: the hashes appear here.
Never store passwords with MD5, SHA-1 or plain SHA-2: use PBKDF2 (here), bcrypt, scrypt or Argon2 with a salt.