Is this authenticator app really free?

Yes! Completely free with no signup, no account required, and no data sent to any server. Everything stays in your browser.

Is it safe to use a browser-based authenticator?

Yes. Your secrets are stored locally in your browser using AES-256-GCM encryption when password protection is enabled. No data leaves your device.

Can I import accounts from Google Authenticator or Authy?

Yes! You can import from Google Authenticator, Aegis, 2FAS, Authy, and plain text otpauth URIs.

What happens if I clear my browser data?

Your accounts will be lost unless you exported a backup. Always export an encrypted backup from Settings before clearing browser data.

Does this support HOTP (counter-based) codes?

Yes! Both TOTP (time-based) and HOTP (counter-based) codes are supported, with SHA-1, SHA-256, and SHA-512 algorithms.

Free Online 2FA Authenticator (No Signup) – FreeWWW

2FA Authenticator

Generate two-factor authentication codes locally in your browser. Your secrets never leave your device.

How it works: Add your accounts by scanning a QR code or entering a secret key. This app generates time-based (TOTP) and counter-based (HOTP) one-time passwords, just like Google Authenticator or Authy. Everything is stored locally in your browser – enable password protection in Settings to encrypt your vault. Always export a backup before clearing browser data!

2FA Authenticator

Vault Locked

Confirm

2FA Authenticator

Add Account

Settings

🔒 Security

🎨 Appearance

📁 Groups

💾 Backup & Export

⏰ Time Correction

⌨ Danger Zone

⌨ Keyboard Shortcuts

Edit Account

QR Code Export

Vault Locked

Confirm