OTP generator
Generate TOTP codes from a Base32 secret and verify six-digit codes. Uses a 30-second period and SHA-1, matching common authenticator apps.
Current code
062072
Valid for
22 secondsVerify a code
// About this tool
Test two-factor authentication setups or check a current one-time code. Enter a Base32 secret, read the code, and see how long it stays valid.
// How to use it
- Enter or generate a Base32 secret.
- Read the current six-digit code.
- Verify a code to check whether it is valid.
// Frequently asked questions
Does it support Google Authenticator?
It uses standard TOTP with a 30-second period and SHA-1, which common authenticator apps support.
Is the secret uploaded?
No. Codes are generated locally in your browser.