2FA Authenticator

Generate local six-digit TOTP codes from a Base32 secret.

Local 2FA authenticator

Enter your secret key; the code stays on this device

Secret Key

This local 2FA tool is a free, privacy-friendly two-factor authentication code generator that runs entirely in your browser. Paste a secret key from any service that supports authenticator apps to see the current six-digit time-based one-time password (TOTP) and a 30-second refresh timer. Nothing is installed and nothing is sent to a server.

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