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Browser Testing: Top 10 Mozilla and Chrome Extension for Software Testing

By May 30, 2019October 6th, 2023No Comments4 min read
Browser Testing: Top 10 Mozilla and Chrome Extension for Software Testing

In-Browser Compatibility Testing modern browsers such as Google Chrome and Mozilla Firefox tend to make the life of the software testers super easy because it offers awesome plugins for software testing. Both Mozilla and Chrome offer a huge number of extensions for software testing. In every stage, Software testers face new challenges while working on the web or mobile application testing. The software tester needs to communicate with the development team in different areas of the project. And, there is no time to invest in each step of development. So in these cases, Mozilla and chrome extension for testing play a very valuable role.

The extensions bring in increased functionality to the browsers to help the testers do more work in less time. Most of the testers simply love Mozilla and chrome extension for testing which provides the browsers a brilliant ability for making the job of the testers easier and simpler.

Let’s have a look at most frequently used Mozilla and chrome extensions for web testing

Mozilla and Chrome Extensions for Software Testing

As a tester, it is essential for you to know the Chrome and Mozilla add-ons that can provide you an ease in testing. So, In this article read top add ons for these two browsers that can make your testing job much more efficient and effective.

Top Mozilla Extensions for Software Testing


Firebug is a widely used Firefox add on for QA. It adds several website development tools to your browser that can be used for editing the HTML, CSS elements and JavaScript live on webpages to notice the effects of the modifications in real-time.

[ Download from here: Firebug]


Using Firesizer, you can check how your website app would appear in various screen resolutions.

[Download from here: Firesizer]


MeasureIt helps in testing the width and height of various web elements of a web page.

[Download from here: MeasureIt ]

4.Web Developer Toolbar

The Web Developer add-on can get you a huge number of website developer options to your browser that can provide you a lot of flexibility when testing the website applications.

[Download from here: Web Developer Toolbar]

5.Fox Splitter & Tile Tabs

Fox Splitter and Tile Tabs split your Firefox window into several windows. These windows/tiles can be arranged vertically, horizontally, or grid-wise.

[Download from here: Fox Splitter & Tile Tabs ]

Top Chrome Extensions for Software Testing

The different kinds of a chrome extension for performance testing Here is a collection of top chrome extensions for browser testing.


Testers require verifying cosmetic problems such as which font size and font family are utilized for a specific part on a web page. WhatFont helps in this aspect.

[Download from here:  WhatFont ]

2.Bug Magnet

Bug Magnet is one of the most popular Chrome extensions for Software Testing. It helps save a lot of time when conducting exploratory testing.  

[Download from here: Bug Magnet]

3.Clear Cache

Clear Cache helps in clearing browser cache right from the toolbar, thereby eliminating the need to use the longer path.

[Download from here: Clear Cache]

4.Web Developer

This add-on provides multiple website developer tools as a toolbar.

[Download from here: Web Developer]

5.Awesome Screenshot

It is one of the widely used screen capturing tools. You can capture the entire screen, a particular area, or the visible content piece on a webpage.

[Download load from here: Awesome Screenshot ]

The Final Words

A plethora of Mozilla and Google extensions for testers are available today. As an informed tester, it is your responsibility to check and use the ones that suit your specific needs and goals. All the extensions aim at making the testing of Mozilla and Chrome apps easier for you so that you get the maximum flexibility. The above-discussed extensions are some of the best Mozilla and Chrome plugins for testing that can be used by the testers as the most effective and time-efficient Software testing tools.

We hope the above list of extensions for software testing will be beneficial and time-saving for every software tester, But In case, if you need any suggestion please don’t forget to Contact Testrig Team.

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