JWT Secret Generator
Generate cryptographically secure secrets for JWT signing. These random keys can be used with HS256, HS384, and HS512 algorithms.
Security Best Practices:
- Use at least 256-bit keys for production
- Store secrets securely (environment variables, key vaults)
- Never commit secrets to version control
- Rotate keys regularly
Base64 URL-Safe Secrets
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Hexadecimal Secrets
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How to Use These Secrets
Node.js with jsonwebtoken:
const jwt = require('jsonwebtoken');
const secret = process.env.JWT_SECRET;
const token = jwt.sign({ userId: 123 }, secret, { algorithm: 'HS256' });Python with PyJWT:
import jwt
import os
secret = os.environ.get('JWT_SECRET')
token = jwt.encode({'user_id': 123}, secret, algorithm='HS256')Environment Variable (.env):
JWT_SECRET=your_generated_secret_here