50PER-CENT 2FA

Client-side

Secure TOTP 2FA Authenticator & Bulk Code Generator

Add 2FA Keys

Ctrl + Enter to add
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Auto-detects: Raw secret, 2fa:KEY, or UID|PASS|2FA

Your 2FA Codes

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No 2FA keys added yet

Paste your 2FA secret keys in the editor above to generate live 6-digit codes.

Security & Privacy
  • 100% processed in your browser
  • Never sent to any server
  • Local encrypted storage
Error History

No errors recorded

Instructions

  • 1.Enter or paste 2FA secret keys (one per line).
  • 2.Supports: otpauth://, 2fa:KEY, or delimited lines (UID|Pass|2FA).
  • 3.Auto-detects 2FA secret from email/password strings.
  • 4.Click the 6-digit code or COPY to copy instantly.
  • 5.Click Create 2FA Link to generate a reusable link (/2fa/your-key) that auto-fills your 2FA next time.