Crypto Key Generator

Generate cryptographically secure base64 keys instantly for your applications

Generate secure, cryptographically random base64-encoded keys for encryption, API authentication, JWT secrets, and more. Choose from 128-bit, 256-bit, or 512-bit key sizes to match your security requirements.

Generated Cryptographic Key

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Cryptographically Secure

Uses the Web Crypto API to generate unpredictable, cryptographically secure random keys suitable for production use.

Multiple Key Sizes

Generate keys in 128-bit, 256-bit, or 512-bit sizes to match your security requirements.

Common Use Cases

Perfect for encryption keys, API secrets, JWT secrets, and session tokens.