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2FA / TOTP code generator

Generate 2FA codes from your secret — offline, no app

🔒 runs locally · no upload · no tracker

Generate 2FA codes (TOTP) like an authenticator app right in your browser — offline and without exposing your secret.

🔒 The secret stays in your browser. Only enter it on trusted devices.

💡 Why this tool?

When the authenticator app is missing or your phone is dead, you still need your 2FA code. This tool is the fallback — fully local.

Your benefits

  • ✓Works offline, no server, no account
  • ✓Live countdown to the next code
  • ✓Standard TOTP, compatible with Google Authenticator & co.

🔧 How it works

  1. 1Paste your Base32 secret
  2. 2Read the current 6-digit code
  3. 3Use it before the countdown ends

❓ Frequently asked questions

Is my secret sent anywhere?▼
No. The code is computed locally from your secret. Nothing is uploaded or stored.
What is it for?▼
As a backup when you don't have an authenticator app at hand — the code is generated offline from your secret.
Is it safe?▼
The computation is safe (local). Still keep your secret private and only enter it on devices you trust.