API Key Generator
Generate secure API keys and tokens online for free. Customize format and length.
Acerca de esta herramienta
Generate cryptographically secure API keys in various formats — hex, base64, alphanumeric. Perfect for seeding application secrets and API credentials.
Cómo usar
Choose Format
Select key format and length.
Generate
Click Generate to create a secure API key.
Copy
Copy the key to use in your application.
Casos de uso
App Secrets
Generate API keys for application authentication and service integrations.
Preguntas frecuentes
Are keys cryptographically secure?
Yes. Keys are generated using crypto.getRandomValues() — the same API browsers use for TLS.