Rapid2FA
Generate two-factor authentication codes directly in your browser — your secret keys never leave your computer.
| What is it | Generate two-factor authentication codes directly in your browser — your secret keys never leave your computer. |
|---|---|
| Pricing | Unknown |
| Platform | Web Application |
| Best for | Generating a 2FA code when your phone is unavailable, Setting up a new authenticator app by scanning a QR code |
| Domain registered | 2026 |
Data updated May 11, 2026
What does Rapid2FA do?
Rapid2FA is a web-based tool that generates Time-based One-Time Passwords (TOTP) for two-factor authentication. You paste a secret key from a service like Google or Facebook into the tool, and it instantly provides you with the 6-digit login code you need. It works entirely offline in your browser, making it a handy backup for when you don't have your phone or authenticator app available.
The tool stands out because of its focus on privacy and simplicity. All the cryptographic calculations happen locally via JavaScript on your device, meaning your sensitive secret keys are never sent over the internet or stored on a server. Beyond the basic code generator, Rapid2FA also displays a QR code for easy setup in apps like Google Authenticator and shows advanced technical details like the underlying HMAC hash for developers who want to verify the process.
This tool is most useful for anyone who needs a quick, secure way to access 2FA codes without a dedicated app. It's a great solution for travelers who might not have their primary device, developers testing authentication flows, or security-conscious users who want a browser-based backup. If your phone battery dies or you're working from a secondary computer, Rapid2FA ensures you can still log in to your protected accounts.
Key features
What makes it stand outWho is Rapid2FA for?
Who benefits most from this toolTrust & presence
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