Free Online API Key Generator
Free online API key generator with multiple key formats, secure high-strength random generation, all processing completed locally in browser.
API Key Generator
Securely generate various types of API keys with support for custom formats and batch generation
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📋 Usage Instructions
Supported Secure Formats:
- • API Key: Standard alphanumeric combination, suitable for REST API
- • JWT Token: Includes header, payload, signature
- • Bearer Token: OAuth 2.0 standard token format
- • Secret Key: Base64 encoded, suitable for encryption purposes
- • UUID: Unique identifier, 128-bit length
- • Hex/Random: Hexadecimal/random string format
Security Features:
- • Uses browser Crypto API to generate true random numbers
- • Supports custom key length (8-128 characters)
- • Can add custom prefix to identify usage
- • Supports batch generation (up to 50)
- • Multiple export formats (TXT/JSON/CSV)
- • Completely local generation, no network transmission risk
⚠️ Security Reminder
Generated keys are only displayed in the current session. Please save them properly. Change keys regularly to improve security.