SHA-256 hash generator

Make SHA-256 hashes of text or files in your browser, with HMAC and a salt if you need them.

Text to hash

Open a fileInput is

OptionsHMAC with a key

Salt (optional)

OutputBetween bytes

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.

Compare with an expected hash