Utilu Mozilla Firefox Collection

Utilu Mozilla Firefox Collection

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Utilu Mozilla Firefox Collection is a free package for web-developers which contains various versions of the Mozilla Firefox browser. Each version of the browser is autonomous and can work in parallel with other versions. Some useful plugins and add-ons such as Firebug, Adobe Flash Player and Web Developer also have been added to Utilu Mozilla Firefox Collection to boost the utility’s performance. This utility allows users to check various online resources in different Mozilla Firefox versions. 

Why Use Utilu Mozilla Firefox Collection

Webmasters and developers tend to utilize a variety of means to check the quality of their work. Viewing the newly created website in one browser (or one of its version) is usually not enough to evaluate its functionality. In such a situation, Utilu Mozilla Firefox Collection comes in handy. This lightweight and easy-to-use utility enables professionals to identify possible errors and come up with a practical  solution to them.  

Utilu Mozilla Firefox Collection’s Core Features

The tool doesn’t require previous expertise which means that it can be used by both experienced developers and novice users. All you need to do is to fire up either a Local Filename or a URL to view multiple tabs for different Firefox versions. Once you make sure your web-creation looks the same in the juxtaposed versions, you can close the program. Another Utilu Mozilla Firefox Collection’s feature worth checking out is the command line functionality. You may take advantage of the command line interface to start Utilu Mozilla Firefox Collection. 

Other features include: 

  • Tabs. Ability to view and work with multiple sites simultaneously in separate tabs of a single browser window.
  • Automatic update. In most cases, the size of the available updates doesn’t exceed several hundred kilobytes.
  • Privacy protection. You can delete all personal data: navigation history, cookies, web form data, or passwords with the click of a mouse. 
  • Safe Internet browsing. With the help of instant identification of websites, Firefox blocks access to the sites of online swindlers, dangerous transactions and fakes.
  • Full scaling. Ability to increase any part of the web page. 
  • Support for RSS technology. The ability to create bookmarks.


Utilu Mozilla Firefox Collection is lightweight, easy-to-use, and easy-to-install freeware intended to be utilized by web builders and web designers. This small and undemanding utility allows you to check the way your site is rendered in different versions of Mozilla Firefox and helps improve your work.

What's new in version?

  • Updated Mozilla Firefox from ESR to ESR
  • Updated Mozilla Firefox from to
  • Updated Mozilla Firefox from beta 4 to
  • Updated Mozilla Firefox from Nightly to beta 3
  • Added Mozilla Firefox Nightly
  • Updated Flash Player from to
  • Minor changes and improvements


More info

  • Last Updated: 2019-10-25
  • Developer: Utilu
  • Homepage: utilu.com
  • Version:
  • File size: 1.48 GB
  • Downloads: 2,792
  • Operating system: Windows 10, Windows 8/8.1, Windows 7, Windows Vista, Windows XP
  • Filename: UtiluMFC1208.exe
  • MD5 Checksum: cedea53b302bc3edf699c9e8b84811ce