Best Chrome Extensions for Software Testers in 2021

Chrome Extensions for Software Testers

Here I am going to present the 14 best Google Chrome extensions for Software Testers to perform web application testing. 

Google Chrome is the most popular web browser in the world right now. Most of the software testers undoubtedly kept Chrome as their primary browser.

Chrome supports an immense repository of extensions that make our daily tasks easier and increase productivity.

Being a Software Tester myself, I know the challenges we face while testing a website. The list of Chrome extensions for software testers we are going to present here will help you achieve your testing productivity. These will help you to speed up the UI testing of web applications.

14 of the best Google Chrome Extensions for Software Testers

Let’s see chrome extensions for web testing in detail.

#1. LambdaTest Screenshots

LambdaTest Screenshots

LambdaTest is one of the highest-rated Chrome extensions available in the web testing domain. With a single click, you can capture screenshots on up to 25 different browser and OS configurations.

All screenshots will be captured on 2000+ real browsers running on real operating systems on cloud-based real machines. For mobile browsers, this extension uses emulators and simulators running real browser apps to take a full-page mobile screenshot.


  • Access to 2000+ different mobile and desktop browser and OS combinations.
  • Integrations with various bug management tools like JIRA, Asana, Trello, Slack, GitLab, GitHub, Bitbucket, VSTS.
  • You can view test logs of past run test and re-run the same configuration

Extension Link

#2. Window Resizer

Window Resizer

This extension re-sizes the browser’s window in order to emulate various resolutions. It is particularly useful to test the layouts on different browser resolutions. The resolutions list is completely customizable (add/delete/re-order).

You can set the window’s width/height, window’s position, preset icon (phone, tablet, laptop, desktop), and even the option to apply the new dimensions to the entire window or just to the viewport. The extension also features customizable global key shortcuts, an option to export your settings and import them on another computer, and more.

Extension Link

#3. IE Tab

IE Tab

IE Tab exactly emulates IE by using the IE rendering engine directly within Chrome. This will enable you to use ActiveX controls and test your web pages with different versions of IE (IE6, IE7, IE8, or IE9). It allows you to create a list of URLs that will automatically open in IE Tab. It also support MAC & ChromeBook.

Extension Link

#4. Bug Magnet

Bug Magnet

Its an exploratory testing chrome extension. Adds common problematic values and edge cases to the context menu (right-click) for editable elements, so you can keep them handy and access them easily during exploratory testing sessions. 

It allows convenient access to common boundaries and edge cases for exploratory testing. It works on input fields, text areas, content editable DIVs and works on multi-frame pages, but only if they are from the same domain.

Extension Link

#5. WAVE Evaluation Tool

WAVE Evaluation Tool

WAVE is a web accessibility evaluation tool developed by WebAIM. It provides visual feedback about the accessibility of your web content by injecting icons and indicators into your page. No automated tool can tell you if your page is accessible, but WAVE facilitates human evaluation and educates about accessibility issues.

All analysis is done entirely within the Chrome browser allowing secure valuation of intranet, local, password protected, and other sensitive web pages. To run a WAVE report, simply click on the WAVE icon to the right of your browser address bar, or select “WAVE this page” from the context menu.

Extension Link

#6. Clear Cache

Clear Cache

Quickly clear your cache with this extension without any confirmation dialogs, pop-ups, or other annoyances. You can customize what and how much of your data you want to clear on the options page, including App Cache, Cache, Cookies, Downloads, File Systems, Form Data, History, Indexed DB, Local Storage, Plugin Data, Passwords, and WebSQL. Cookies can either be removed globally, only for certain domains, or for everything except for certain domains.

Extension Link

#7. Awesome Screenshot: Screen Video Recorder

Awesome Screenshot

Awesome Screenshot is the highest-rated screen capture & image annotation tool on Chrome. It allows you to capture all or part of any web page. You can add annotations, comments, blur sensitive info, and share with one-click uploads. You can also capture the desktop. The default option for saving an image is now storing the image on awesome screenshot website with no time limit.

Extension Link

#8. Screencastify – Screen Video Recorder


It captures edits and shares videos in seconds. You can record unlimited recordings for up to 5 minutes each with no watermark. You can trim your videos and export them even though you are a free user.

Extension Link

#9. Resolution Test

Resolution Test

This extension allows you to test web pages in different screen resolutions, with an option to define your own resolutions.

It changes the size of the browser window to preview the website in different screen resolutions. It includes a list of commonly used resolutions and the ability to customize that list.

Extension Link

#10. Page Ruler

Page Ruler

This extension allows you to draw a ruler to any page and view the width, height, and top, bottom, left, and right positions. You can also drag the edges of the ruler to resize it. Use the arrow keys to move and resize the ruler.

Extension Link

#11. EditThisCookie


EditThisCookie is a cookie manager. You can add, delete, edit, search, protect, and block cookies.

Extension Link

#12. Ghost Inspector – Automated Website Testing

Ghost Inspector

Ghost Inspector is an automated UI testing and monitoring tool. It allows you to record yourself performing actions on your website within your browser, then sync them to the Ghost Inspector service and run them continuously as a regression test.

You can record them on your staging server and execute them through its API when your code changes — or record them on your live site and automatically run them at a set interval to continuously check for issues. You will need to sign up for a Ghost Inspector account to use our tool.

Extension Link

#13. Grammarly for Chrome


From grammar and spelling to style and tone, Grammarly helps you eliminate writing errors and find the perfect words to express yourself. You’ll get suggestions from Grammarly as you write on Gmail, Twitter, LinkedIn, and nearly everywhere else you find yourself writing.

Grammarly is a writing assistant that goes deeper than grammar to offer you comprehensive writing feedback. You can be confident that your writing is not only correct, but clear and concise, too. Be sure to register your account to receive a personalized writing report each week to help you track your progress and identify improvement areas.

Extension Link

Bonus Chrome Extension For Web Testing

#14. Lighthouse


Lighthouse is a chrome extension for Performance Testing. It is an open-source, automated tool for improving the performance, quality, and correctness of your web apps. When auditing a page, Lighthouse runs a barrage of tests against the page and then generates a report on how well the page did. From here you can use the failing tests as indicators of what you can do to improve your app.

Extension Link

#15. Bird Eats Bug

Bird Eats Bug is a no-code SaaS tool that allows even non-technical users to create interactive data-rich bug reports that help engineers deliver better software faster. While a user makes a screen recording of the issue, Bird Eats Bug’s browser extension automatically augments it with valuable technical data like console logs, network errors, browser information, etc. Such reports allow software engineers to find the cause of the problem a lot faster and avoid unnecessary back-and-forth.


  • Auto-include console logs, network requests, and general info like browser/OS or screen in every report
  • Use mic and/or video recording to explain your actions and save time on typing descriptions.
  • Integrations with various issue trackers like JIRA, Trello, and Linear

Bird Eats Bug Extension

What are your favorite Chrome extensions?

We can see new extensions releasing every week by Chrome developers. Keep exploring and if you find any best Chrome extension which is not on the list, please share it with our readers in the comments below. 

I hope that you have liked this list of Chrome developer tools for QA. What are your favorite browser extensions? Let me know in the comments below.

Check this post for other popular Google Chrome Extensions To Find XPath 

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1 thought on “Best Chrome Extensions for Software Testers in 2021”

  1. Thanks for sharing. It is very helpful for me and also informative for all those users who will come to read.

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