Home › Free online security and encryption tools
Frequently asked questions
Are the codes compatible with Google Authenticator?
Yes. It uses standard TOTP with 6 digits, 30 seconds and SHA-1 by default, like those apps; the QR follows the otpauth:// format.
Is my secret key sent anywhere?
No. Codes are calculated in your browser with Web Crypto and the key never leaves your device.
Is TOTP / 2FA Generator free to use on Toolkoa?
Yes, the TOTP / 2FA Generator tool is 100% free, unlimited and requires no sign up or installation.
Are my files sent to any server when using TOTP / 2FA Generator?
No. Every operation on Toolkoa is processed privately and locally, directly in your own browser.
Do I need to install anything to use TOTP / 2FA Generator?
Nothing to install. TOTP / 2FA Generator runs in any modern desktop or mobile browser, and once the page has loaded you can keep using it without relying on the connection.