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How to enable two-factor authentication in Firefox

We’ll walk through the steps on how to set up two-factor authentication in the Firefox browser.

Firefox two step
Image: Viney Dhiman / KnowTechie

Firefox is a lightning fast browser used by people all over the globe. The developers at Mozilla has introduced a ton of useful and exciting features to users.

Recently, the company introduced two-factor authentication feature for Firefox accounts. This feature will add an extra layer of security to the credentials system that shields passwords, open tabs, bookmarks, and the data synchronized between multiple devices with the help of Firefox Sync feature.

If you’re not using the Firefox Sync feature then you should totally set up this feature right now.

Firefox two factor authentication is still in beta, so the chances are high that you might not find the same settings in your Firefox account. Worse comes to worse, you’ll have to wait a few weeks. If the feature is already enabled on your account, proceed to the steps below.

How To Enable Two-Factor Authentication in Firefox

To access this feature right now, follow the instructions below:

1. Launch Firefox Browser on your computer.

2. In the Address bar, paste this link (

3. This will bring Firefox account login screen. Here you need to enter the credentials to log into your Firefox account.

Firefox account login

Image: Viney Dhiman / KnowTechie

4. This will redirect you to Account Preferences page. Here click on the Add button next to Two-Step Authentication.

Two step authentication

Image: Viney Dhiman / KnowTechie

5. To setup two-authentication feature, you need to install the time-based authentication app on your phone. You can use Google Authenticator, Duo Mobile, and Authy.

We recommend Authy if you want to take full advantage of the feature. Use these links for your Android and iOS phone.

Once installation completes, get back to Firefox Account Preferences page for move forward.

6. Here you will see a QR Code which you need to scan using any of the authentication app discussed above.

Qr code

Image: Viney Dhiman / KnowTechie

The authentication app will show you a code which you need to enter in the space provided and then click on the Confirm button.


Image: Viney Dhiman / KnowTechie

7. Once done, a dialogue box will pop up showing you recovery codes. You need to Download or Print those recovery codes and save them somewhere convenient and safe.

Recovery codes

Image: Viney Dhiman / KnowTechie

These recovery codes are useful if you, unfortunately, lose your phone.

8. At last, click on the Done button to exit the dialog box.

Congratulations, you have successfully enabled two-factor authentication feature for Firefox.

What are your thoughts about this security feature of Firefox? Find this feature useful? Share the views in the comments.

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Himachali, Mechanical Engineer, Snooker Lover, Avid drinker of Scotch, Content Creator, Traveler and shorter than you (probably).

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