OTP Generator

Generate and verify Time-Based One-Time Passwords (TOTP).

Frequently Asked Questions

What is an OTP generator?

An OTP generator creates Time-Based One-Time Passwords (TOTP) compatible with 2FA authentication apps. It generates 6-digit codes that refresh every 30 seconds.

How do I use the OTP generator?

Enter your TOTP secret key (base32 encoded) and the tool generates the current 6-digit code. You can also scan a QR code or manually enter the secret to set up a new 2FA account.

Is this compatible with Google Authenticator?

Yes, the generated TOTP codes are fully compatible with Google Authenticator, Authy, Microsoft Authenticator, and any other TOTP-compliant 2FA application.

How do TOTP codes work?

TOTP generates a unique 6-digit code every 30 seconds based on your secret key and the current time. Both the server and your device use the same algorithm to generate matching codes.

Is this tool free?

Yes, ToolDock's OTP generator is completely free, requires no signup, and runs entirely in your browser.