TOTP Tool
Create a Base32 TOTP secret, build an otpauth:// QR for Google Authenticator–compatible apps, watch the rotating code, and verify a code in your browser. Nothing is sent to a server.
Frequently asked questions
No. Secrets and codes stay in this tab. Nothing is sent to LocalTools servers for processing.
Any RFC 6238-compatible app (Google Authenticator, Authy, 1Password, etc.) can scan the QR or URI.