• OTP Generator

Free OTP Generator Generate Secure 2FA Codes Instantly

Generate time-based one-time passwords (OTP) directly in your browser. Your secret key never leaves your device.

  • 100% Client-Side
  • No Login Required
  • Secure Web Crypto API
  • Compatible With All Authenticator Apps
Learn How It Works

Your secret key never leaves your browser.

How OTP Works

Three simple steps to generate secure authentication codes.

Enter Secret Key

Paste the Base32 secret key from your authenticator setup.

Generate Code

The tool calculates a secure 6-digit code using time-based cryptography.

Use The Code

Use the generated code to log into your account. Codes refresh every 30 seconds.

  • OTP Generator
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