API Key Generator
Generate secure API keys and tokens online for free. Customize format and length.
关于此工具
Generate cryptographically secure API keys in various formats — hex, base64, alphanumeric. Perfect for seeding application secrets and API credentials.
如何使用
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.
使用场景
App Secrets
Generate API keys for application authentication and service integrations.
常见问题
Are keys cryptographically secure?
Yes. Keys are generated using crypto.getRandomValues() — the same API browsers use for TLS.