Two-Factor Auth Tester
Generate TOTP codes from a secret key (RFC 6238). Verify codes and test your 2FA setup in real time.
How to Use Two-Factor Auth Tester
- 1
Enter a secret key
Paste the TOTP secret key or scan a QR code.
- 2
Generate a code
See the current time-based one-time password generated.
- 3
Verify the code
Test that the generated code matches your authenticator app.
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