Free Online 2FA Tools
Generate TOTP codes, manage your secrets, and import from Google Authenticator — all in your browser. No server, no tracking, 100% private.
2FA Authenticator
Manage all your TOTP secrets in one place. Generate codes, one-click copy, QR scan.
Google Authenticator Import
Transfer your 2FA accounts from Google Authenticator by scanning the export QR code.
MCP Server
Let AI agents generate and verify TOTP codes via Model Context Protocol.
100% Client-SideNo Account RequiredWorks Offline (PWA)Open Source
Compatible with Google Authenticator, Authy, Microsoft Authenticator, 1Password, and any TOTP-based 2FA service.