TOTP Generator (2FA)

One-time codes per RFC 6238. Compatible with Google Authenticator, Authy, Microsoft Authenticator. All computation happens in your browser — the key is never sent to the server.

Do not enter real secret keys from production accounts on third-party websites. This tool is for testing and development only.

Secret Key (Base32)

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refreshes in 30 s

Online TOTP Generator — 2FA Codes Without an App

TOTP (Time-based One-Time Password) is the RFC 6238 standard underlying two-factor authentication on all modern services. This tool computes 6-digit codes directly in the browser using the Web Crypto API (HMAC-SHA1).

How to use

Find your Base32 secret in your account security settings (shown as "manual entry" when setting up 2FA)
Paste the key and click Generate
The code refreshes automatically every 30 seconds

TOTP Generator (2FA)

Online TOTP Generator — 2FA Codes Without an App

How to use

See also