How To Reset Mozilla Firefox To Default Settings

Reset Mozilla Firefox (Step-by-Step Guide For Windows and Mac)

You may need to reset Mozilla Firefox to default settings due to various reasons, for example:

  • If you see unknown extensions, plugins or toolbars added to the browser;
  • Unknown homepage and search engine are active;
  • Your browser is acting slow or crashing again and again;
  • Pages loading unwanted advertisements, pop-ups, redirects and so on.

In such cases, resetting Firefox to its original defaults may help you fix various issues of your browser. While, resetting you will lose various settings,  but your bookmarks, saved tabs and passwords synced to your Firefox account will stay secure.

After resetting Mozilla Firefox browser, you will see the following changes:

  • Installed extensions, plug-ins, and add-ons will be uninstalled;
  • Homepage or start tab you set will be cleared;
  • Default search engine and third-party search engine will be removed;
  • New Tab and pin tabs pages will be cleared;
  • Cookies, cache, site data and content settings will reset to its original defaults;
  • Any active themes will be disabled.

So, in this article we will help you to reset Mozilla Firefox browser to its default settings for Windows and Mac OS.

How To Reset Mozilla Firefox To Its Default Settings

Like Google Chrome, Firefox too has a quick option that help users to reset their browser to default settings. As mentioned earlier, it will clear all changes made by installing any third-party extensions or programs. Although, your bookmarks and passwords will remain as it is.

To reset Mozilla Firefox,  type about:support to the address bar, and click on “Refresh Firefox”. Click “Ok” to confirm resetting.

Windows

To reset Mozilla Firefox to its default settings on Windows

  1. To access Firefox menu, click on the three horizontal lines, and then click on “Help”;
    Mozilla Firefox Menu
    Mozilla Firefox Menu
  2. Next, click on “Troubleshooting Information”;
    Mozilla Firefox Troubleshooting Information
    Mozilla Firefox Troubleshooting Information
  3. On the troubleshooting page, click on “Refresh Firefox” button on the left section;
    Mozilla Firefox Refresh
    Mozilla Firefox Refresh
  4. To Confirm resetting Firefox, click on the “Refresh Firefox” button to the pop-up message.
  5. Click on “Finish”.

Mac

To reset Mozilla Firefox to its default settings on Mac

  1. To access Firefox menu, click on the three horizontal lines, and then click on “Help”;
    Mozilla Firefox Menu
    Mozilla Firefox Menu
  2. Next, click on “Troubleshooting Information”;
    Mozilla Firefox Troubleshooting Information
    Mozilla Firefox Troubleshooting Information
  3. On the troubleshooting page, click on “Refresh Firefox” button on the left section;
    Mozilla Firefox Refresh
    Mozilla Firefox Refresh
  4. To Confirm resetting Firefox, click on the “Refresh Firefox” button to the pop-up message.
  5. Click on “Finish”.

This is how you can reset Firefox to default settings. However, after this, it is important scan your computer for Potentially undesirable programs. And remove all malicious files associated with such adware.

 

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