Generate random OTP codes and TOTP QR codes for two-factor authentication. This free online tool requires no registration and no software installation. Simply open it in your browser and start using it right away. Results are processed quickly and securely, with all data handled directly in your device.
OTP Code Generator
Generate random OTP codes and TOTP QR codes for two-factor authentication.
How to use OTP Code Generator
Generate Code
Click generate to create a random 6-digit OTP code
Copy Code
Copy the generated OTP to your clipboard
Use Within 30s
The code auto-refreshes every 30 seconds
When to use?
Testing 2FA
Generate sample OTP codes for testing two-factor authentication systems
Deep Dive
How it works
Generates cryptographically random 6-digit codes using Math.random() with a 30-second expiry timer.
Frequently Asked Questions
A: You can use these codes for testing or demo environments. For production authentication, integrate with a proper TOTP service.
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