DevUtils

JWT_SECRET

Create strong secrets for signing JSON Web Tokens.

Generated Output
Click generate to create...
Security TipA 256-bit (32 byte) or larger secret is strongly recommended for HMAC-SHA256 (HS256) algorithms, which are the industry standard for signing JSON Web Tokens securely.

What is this generator?

JSON Web Tokens (JWT) require a highly secure, unguessable secret key for the signature phase (HS256 or HS512). Weak secrets make your application vulnerable to signature forgery. This tool creates random, 256-bit+ strings that are perfect for securing your JWT implementations.

How to use

  • 1Choose the length of your secret (default is 32 bytes / 256 bits).
  • 2Click the Generate Secret button.
  • 3The string is generated locally using secure browser cryptography.
  • 4Copy the secret to your .env file. Never share it!