2FA Code Generator

Secure & Fast TOTP Authentication

2FA Secret → Code

Generate time-based 2FA codes (TOTP) using your secret key. Works with Google, Facebook, Instagram, Yahoo & more.

2FA TOTP

Paste the secret from your 2FA setup (usually shown as Base32 text in authenticator apps).

Security tip: Keep your 2FA secret safe. Only use this tool for your own accounts and never share secrets or codes with anyone.

What is a 2FA TOTP Code Generator?

A Two-Factor Authentication (2FA) Time-Based One-Time Password (TOTP) generator is a secure tool that creates temporary verification codes for your online accounts. This free 2FA authenticator generates 6-digit or 8-digit codes that expire every 30 or 60 seconds, providing an extra layer of security for your Google, Facebook, Instagram, Yahoo, and other online accounts.

How Does Our TOTP Generator Work?

Our online 2FA code generator uses the industry-standard HMAC-SHA1 algorithm to convert your Base32 secret key into time-based one-time passwords. Simply paste your 2FA secret key (the code provided during authenticator app setup), and our tool will generate valid authentication codes compatible with Google Authenticator, Microsoft Authenticator, Authy, and other TOTP-based authentication systems.

Key Features & Benefits

  • Instant Code Generation: Generate 2FA codes instantly without installing mobile apps
  • Universal Compatibility: Works with Google, Facebook, Instagram, Yahoo, GitHub, Dropbox, and 1000+ services
  • Secure & Private: All cryptographic operations happen in your browser — no data sent to servers
  • Customizable Settings: Support for 6/8 digit codes and 30/60 second time intervals
  • Real-Time Updates: Live countdown timer shows when your code expires
  • Free Forever: No registration, no fees, completely free 2FA authentication tool

Supported Platforms & Services

Our TOTP authenticator supports all major platforms and services including Google (Gmail, Drive, YouTube), Facebook, Instagram, Twitter/X, Yahoo Mail, Microsoft 365, Amazon AWS, GitHub, Dropbox, LinkedIn, Discord, Slack, Coinbase, Binance, and thousands of other websites that support RFC 6238 TOTP standard authentication.

Why Use a 2FA Generator?

Two-factor authentication significantly improves your online security by requiring both your password and a time-sensitive code. Even if someone steals your password, they cannot access your account without the current 2FA code. Our generator provides a convenient way to access your accounts when you don't have your phone, lost your authenticator app, or need backup access to your 2FA protected accounts.