Free TOTP and 2FA Code Generator Online
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About This Tool
The TOTP Generator computes time-based one-time passwords (TOTP) from any Base32 secret key — the same codes used by Google Authenticator, Authy, and 2FA apps. Useful for testing your own 2FA implementations. Enter your secret key and the current 6-digit code (plus countdown) appears. Free, no account, runs in browser.
How to Use
- 1
Enter your Base32 TOTP secret key in the input field.
- 2
The current 6-digit code and countdown timer appear immediately.
- 3
Use the code to test your 2FA implementation or verify a setup.
Frequently Asked Questions
What format is the TOTP secret key in?
TOTP secrets are Base32-encoded strings — typically 16-32 characters. They appear as QR codes in apps like Google Authenticator or can be copied as text.
Is it safe to enter my TOTP secret here?
Use only for testing or development secrets. For real accounts, never paste your 2FA secret into any online tool — it grants full access to generate codes.
Is this TOTP generator free?
Yes. Completely free with no account required.