To use a code generator app on Facebook, for example, go to Settings > Security and Login > Use two-factor authentication > Authentication App. Facebook will then display a QR code you’ll have ...

You can use the new iOS 18 Passwords app to add and use two-factor codes for any website or app. There's a convenient autofill option, and even if an app doesn't support autofill, you can use the ...

Proton has a free authenticator app, which is available cross-platform with end-to-end encryption protection for data.

Users who already have access to their accounts via the Twitter mobile app can use something called a login code generator, but as this requires already being logged in on mobile it doesn't help ...

Twitter added support for third-party authentication some months ago, but didn't announce it publicly. Here's how to set up 2FA for your account ...

Google has updated its 2FA Authenticator app for iOS with a new privacy feature that lets users require Face ID or Touch ID before displaying two-factor account authentication codes. Previously ...

If you miss having a dedicated piece of hardware for your login codes, then we’ve got good news for you: [Cameron Kaiser] has managed to turn a Commodore SX-64 into a two-factor authenticator.

For those unfamiliar, a two-factor authentication code is an additional layer of security that can be requested when logging in to a website or app.

Instead, using an authentication app such as Google Authenticator or 1Password (with it’s built-in 2FA code generator) is much more convenient and secure.