Generate SHA-1, SHA-256 and SHA-512 hashes of any text. Uses the native Web Crypto API — your input never leaves the browser.
Hashes update in real time as you type.
———Security note
SHA-1 is considered cryptographically broken for collision resistance. Use SHA-256 or SHA-512 for security-sensitive use cases. For password storage, prefer a slow KDF like bcrypt, scrypt or Argon2.