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TOTP Generator

Generate a TOTP secret, see the QR code, and verify tokens.

How to use

  1. Click Generate to create a new TOTP secret — a Base32-encoded key and its QR code appear instantly.
  2. Scan the QR code with your authenticator app (Google Authenticator, Authy, 1Password or any TOTP-compatible app).
  3. Type the 6-digit code from your app into the verify field to confirm the secret was enrolled correctly.

About this tool

Generates a time-based one-time password (TOTP) secret following RFC 6238 — the same standard used by Google Authenticator, GitHub, AWS and most two-factor authentication systems. The secret, QR code and verification all run locally in your browser.

The QR code encodes an otpauth:// URI that authenticator apps recognise automatically. You can also copy the Base32 secret for manual entry. Codes rotate every 30 seconds using HMAC-SHA1.

This tool is for setting up and testing TOTP secrets during development. Never share a production secret over an insecure channel — anyone with the secret can generate valid codes.

Frequently asked questions

Does my data leave my browser?

No. Everything runs locally in JavaScript on your device — nothing is transmitted or stored.

Can I use the result commercially?

Yes. The output is generated locally in your browser and is yours to use however you like — commercially or otherwise.

Can I use what this tool generates?

Yes. Everything is generated locally in your browser. You can copy, download and use the output however you like.

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