TOTP / 2FA Code Generator
Generate time-based one-time passcodes (2FA) from your own secret key — like Google Authenticator, in your browser.
Paste the setup key shown under the QR code. For most sites, that’s all you need.
Not matching? Change settings (rarely needed)
Only change these if a site specifically told you to — almost none do.
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Runs entirely in your browser — your secret key is never sent anywhere. Produces the same codes as Google Authenticator and Authy.