OTP Code Generator
Generate TOTP verification codes
How to Use
1
Enter secret key
Input a Base32 encoded secret or generate one.
2
View current OTP
See the 6-digit code and time remaining.
3
Generate QR code
Create a QR code for authenticator apps.
4
Verify codes
Test that generated codes are valid.
Frequently Asked Questions
What is OTP?
One-Time Password - a temporary code that expires after use, typically used for two-factor authentication.
What types of OTP are supported?
TOTP (time-based, changes every 30 seconds) and HOTP (counter-based, changes on each use).
Is this compatible with authenticator apps?
Yes, generate QR codes compatible with Google Authenticator, Authy, and similar apps.