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ConfigFox 1.4.3

The easy way to configure Firefox advanced settings

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ConfigFox screenshotConfigFox is an application to control Firefox advanced, secret settings and tweaks, mostly concerning safety and privacy. With a single click you can turn on and off settings that are not provided in the Firefox preferences.

With ConfigFox you can control numerous profiles independently. It is supported by all Firefox builds: Palemoon, Waterfox, Tor, Portable, etc...
If you don't have the browser installed in your PC you will be asked to select your custom Firefox path (executable).


- Rapidly make and customize Firefox profiles.
- Effortlessly enable and disable settings with one click.
- Fast search Config entries.
- Get updates for Config collection.
- Backup, Vacuum and Defrag profiles for a better performance.
- View profile data.
- Search online for Config strings information.

ConfigFox has a suite of Firefox advanced and secret settings. This suite is the default.js file inside ConfigFox folder. By default, the pack have only entries that cannot be set from Firefox itself. But you can adjust it as you please.

If you don't have a user.js in your profile, the application will copy the set to your profile folder so you can control it as you please. These settings are unchecked by default and they can be approved or customized appropriately to your needs. Only approved entries will get into effect in your profile.

ConfigFox has a suite of options to enhance and keep your profile:

- Vacuum: wipe .sqlite files in your profile folder lowering file size.
- Defrag: defrag the profile folder for a greater performance (HDD only).
- Dummy files: enhances performance, privacy and lowers disk I/O.
- Backup: compress the entire profile into inside the profile folder.
- Profile Manager: Start Firefox Profile Manager with a click.


  • Portable app for tweaking Firefox.
  • Alter startup behavior, privacy and cache settings.
Name ConfigFox
Version 1.4.3
Developer | see all products from this developer
Product Homepage ConfigFox
License Free (Freeware)
Last Week Downloads 3
All Time Downloads 254
Filesize 1.2MB
MD5 Checksum 771FCB77E85EF0147E0F7FFC840E76E3
OS Support Windows All
Category Internet

100% CLEAN Certification

BadgeConfigFox has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
ConfigFox November 27, 2015 - Latest Version

Download the free ConfigFox