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SHA-256 Generator

Compute the SHA-256 hash of any text and get it as 64 hexadecimal characters. Hashes are used to verify file integrity and to fingerprint data. The calculation uses the browser's Web Crypto API and stays on your device.

Also known as: sha256 hash, sha-256 online, sha256 calculator, generate sha256.

Your data is processed locally in your browser and is not uploaded to our servers.

Features

  • Standard SHA-256 hex output
  • UTF-8 text input
  • Local processing

How to use the SHA-256 Generator

  1. Type or paste the text.
  2. Click Generate SHA-256.
  3. Copy the hash.

Examples

Hash of an empty string

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Frequently asked questions

Can a SHA-256 hash be reversed?

Not directly. It is a one-way function, though weak inputs like common passwords can be guessed.

Should I hash passwords with SHA-256?

No. Use a slow password hash such as bcrypt, scrypt or Argon2 for stored passwords.

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