TOTP Authenticator
Generate 2FA codes (TOTP) from any Base32 secret with a live 30-second countdown. Free and private.
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Tool Coming Soon
This tool is under development. The admin has created the tool entry, but the functionality file hasn't been added yet.
File expected: tools/totp-authenticator.php
About TOTP Authenticator
TOTP Authenticator - Generate 2FA Codes
Generate time-based one-time passwords (TOTP) for two-factor authentication directly in your browser. Paste any Base32 secret key and see the current 6-digit code with a live countdown — handy for backup codes when you switch phones.
Why Use Our TOTP Authenticator?
- RFC 6238 Standard — Compatible with Google Authenticator and Authy
- HMAC-SHA1 — Implemented entirely in vanilla JavaScript
- Live Countdown — Visual ring shows when the code changes
- One-Click Copy — Paste into any login form
- 100% Private — Secrets never leave your device
How to Generate a TOTP Code
- Paste your Base32 secret key (often labeled as a migration or setup key)
- Press Generate Code
- Copy the code before the 30-second countdown ends
Essential for accounts where you need a second device to log in, or for recovering access to your authenticator app.