2FA TOTP Generator
NewGenerate Time-based One-Time Passwords (TOTP) for two-factor authentication using any Base32 secret key. TOTP is the standard algorithm used by Google Authenticator, Authy, and most 2FA apps (RFC 6238). Enter your secret key to see the current 6-digit code and countdown to the next rotation. Uses HMAC-SHA-1 with a 30-second time step. Useful for testing 2FA implementations, recovering access to 2FA codes, and learning how TOTP works.
TOTP / 2FA Code Generator
Generate Time-based One-Time Passwords (TOTP) from a Base32 secret. Compatible with Google Authenticator and other TOTP apps.
Keep your TOTP secret secure. Only enter test/demo secrets here. Never enter real 2FA secrets in tools you don't control.
'How to Use 2FA TOTP Generator
- 1Enter your Base32 TOTP secret key
- 2View the current 6-digit code
- 3Watch the countdown to the next code
- 4Use the code within the 30-second window
Your Privacy is Protected
2FA TOTP Generator runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What is TOTP?
TOTP (Time-based OTP) generates a new 6-digit code every 30 seconds using HMAC-SHA-1 and the current Unix timestamp. Both the authenticator and server generate the same code because they share the secret and know the current time.
Why Use This Tool?
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