Is TOTP (2FA) Secret Tester free to use?

Yes, TOTP (2FA) Secret Tester on SarmoTools is completely free. All processing happens in your browser — no sign-up, no data collection, no server uploads.

TOTP (2FA) Secret Tester

Verify your Base32 2FA secret locally. Clone Google Authenticator functionality safely in your browser to debug your MFA implementation.

Secret Key (Base32 format from QR code or setup key)

Algorithm

Digits

Period (s)

000 000

Verify Code Interactively

What is TOTP (2FA) Secret Tester?

Free offline TOTP tester. Input your base32 secret to locally generate and verify 2FA codes like Google Authenticator without sending data to servers.

How to use this tool?

Our TOTP (2FA) Secret Tester works entirely in your browser. All processing is done client-side, meaning your data never leaves your computer. Simply input your content, and the tool will provide instant results with premium accuracy.

Key Features

100% Private: Data stays in your browser.
Lightning Fast: Instant results as you type.
Zero Cost: Free to use forever.