How to remove extensions from Mozilla Firefox

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What is an extension?

Browser Extension – is an application, which is integrated into browsers. Those applications help us a lot in different areas of our web activity. We can reach needed websites, find interesting information faster or without making efforts. There are many kinds of extensions, news, shopping, TV & radio, weather info, etc. Be careful, there are bad extensions too, that can collect your personal information and share it, or creates annoying advertisements on webpages that you visit. Poor applications, also called potentially unwanted software, can be the reason of some troubles, so better to delete them, as fast as possible. You may remove them by yourself, but it is not fully removing. For total removing use special removal tools. Extension is a little program for your browser that add new features or functionality. It let you add dictionaries, new features, simplify working with documents. Also you can use it to change themes or to play back flash data of web pages. Currently there are many extensions for all users. Ad blockers, password manager, notes, searching for goods and services, calls from a browser, etc. There are several types of add-ons.

mozilla firefox extensions


Add-ons change browser functionality. For example it allows you to block advertisements, download videos from the web site, integrated with social networks and add features. Basically Firefox add-on can be divided into 3 groups – Plugins, Themes and


For example: Search Engines: – tools that help you to search the information through any sites by various search engines. Dictionaries: – add support for languages, help you check spelling etc.


Themes change the entire appearance of Firefox, usually including icons, colors, dialogs, and other visual styles.


Help user to display the various types of media, such as Adobe Flash or Apple Quicktime, PDF, etc. Of course add-on is a very useful thing. But many extensions developed to make the money, to distribute advertising, to steal personal information, to access to your files and infect your PC.

Manual extension removal

You can skip steps 1-2 by typing “about:addons” in address bar or pressing Shift+Ctrl+A.

  1. Open Mozilla Firefox;
  2. Press Alt+T or Click Tools on the top of the browser;
  3. Click Add-ons;
  4. Click Extensions;
  5. Find unwanted extension;
  6. Click Disable or Remove.

Automatic extension removal

Choose one of three choices of automatic removal:

  1. Avast Browser Cleanup

    avast browser cleanup firefox

    • Open Avast Browser Cleanup;
    • Click on the Mozilla Firefox Tab (Firefox icon);
    • Unmark Exclude add-ons with a good rating for showing high rate extensions, that mighty be bad too;
    • Find unwanted extensions, then click on to Remove button.
  2. IObit Uninstaller

    iobit uninstaller firefox

    • Open Iobit Uninstaller;
    • Click Toolbars & Plug-ins tab;
    • Find and mark unwanted extensions;
    • Click Remove button.
  3. Stronghold AntiMalware

    stronghold toolbar remover mozilla firefox

    • Open Stronghold AntiMalware;
    • Click Tools button;
    • Click Toolbar Remover button;
    • Click on the Mozilla Firefox Tab and click Refresh button;
    • Mark unwanted extensions, then click Remove button;

How to avoid installing unwanted extensions?

First of all always be careful when you download any programs or extensions from freeware sites like,,, etc. Potentially Unwanted Program (PUP) gets into your computer bundled with installers of any adware. Read the description of the installation and don’t agree to the installation of unknown programs. But it often happens that the PUP has already got on your PC and may cause the damage to your data and operating system. But some PUP’s files remain on the computer and continue to be harmful. You need to remove all files, registry entries and folders of it. We recommend you to download WiperSoft to quick removal of malicious extensions.

1 Comment

  1. I lost Google to Television Fanatic and Ask and of course I could not find any useful help using their browser. I had to ‘google’ Google, then I found you. Thanks heaps. Funny thing is that I had nothing under ‘Programs and Features’.

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