38 Chrome Extensions for Web Developers and Designers

Extensions are small software programs that customize the browsing experience. They enable users to tailor Chrome functionality and behavior to individual needs or preferences. They are built on web technologies such as HTML, JavaScript, and CSS.

An extension must fulfill a single purpose that is narrowly defined and easy to understand. A single extension can include multiple components and a range of functionality, as long as everything contributes towards a common purpose.

Chrome Extensions for Web Developers and Designers


WhatRuns’ utility helps us identify the web technologies being used on the website such as frameworks, analytics tools, WordPress plugins, fonts, etc. You just need to visit the page you want and click on the WhatRuns icon. Then the information will appear in full in less than 1 minute. You can also sign up to receive notifications when the site you want to monitor adds new technologies to the site.


WhatFont makes it easy to determine which font a web page element is using. You just need to install and move the mouse over the object we want to see to be able to see its font name. It’s simple, right.


Colorzilla makes it possible to read the color value of any object on the web page. In addition, it also supports some other useful features such as automatically copying colors to the clipboard, displaying a history of our recently selected colors, advanced color picker…

Window Resizer

Window Resizer is an important tool that helps us to build or test the responsiveness of the website on the browser quickly such as the screen of a phone, tablet, laptop, desktop. In addition, you can automatically adjust the display size you want by setting the width and height of the browser window.

Web Developer

Web Developer is one of the few extensions installed by more than 1 million users. It helps web developers in developing and debugging websites quickly. This utility is a collection of various tools such as Disable, Cookies, CSS, Forms, Image. You can easily find corrupted images, not allow the site to run JavaScript, check CSS pass standard or not, hide all images, show information of links on the current web page.


Postman is an application that helps us to make HTTP requests to the server. It is really useful when you run or test the API for your program and it also allows you to make GET, POST, DELETE, PUT requests easily. In addition, it also has a forum with a large number of programmers to help us solve questions when we are just starting to use Postman.

Lorem Ipsum Generator

Lorem Ipsum Generator helps us quickly create a document by specifying the number of paragraphs and lines we want. When you’re building components in your website, it’s common to u