We have shared lots of tutorials in past which utilize About:Config page in Firefox. Most of the times, About:Config page is used to enable or disable features in Firefox. About:Config page is an advanced tool developed for experts so that they can customize Firefox according to their requirements. About:Config is an advanced configuration page present in Mozilla Firefox web browser which allows users to modify hidden secret preferences/flags which are generally not available in Firefox Options (about:preferences) page.

If you are also facing issues after modifying preferences in about:config page (such as Firefox is no longer starting or crashing at startup) and you also want to reset about:config page in Firefox and want to restore all modified preferences to default, following steps will help you:įirst of all, if you don’t know let me tell you. Today in this article, I’m going to share this trick.

He wanted a quick and easy way to restore all default preferences/settings in about:config page at once.Īctually it’s quite easy to reset all modified preferences/flags in about:config page to factory default without any need to restore them one by one manually. Since he modified several preferences/flags in about:config page, he didn’t want to reset them one by one manually. The reader uninstalled the extension but it didn’t fix the issue. He also modified many preferences in about:config page as mentioned on various websites claiming to speed up Firefox which were also causing weird issues while browsing websites. Recently an AskVG reader contacted me and asked how to reset all default settings in about:config page of Firefox? Actually he installed some 3rd party extensions in Firefox which started causing issues. After following this tutorial, you’ll be able to restore or revert all customized entries and settings in About:Config page to default in Firefox browser easily and quickly.

SUMMARY: If you want to reset all modified preferences or values in About:Config page in Mozilla Firefox web browser, this tutorial will help you.

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