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Best Chrome extensions for Developers in 2019

by Snehashis Mukherjee

Best Google Chrome Extensions For Web Developers:

Looking for the best Web Developer extensions? Youve come to the right place! Chrome is the most popular internet browser in the world right now. As it is super fast and powerful. But what makes it even better for developers, the number of extensions and plugin gives it a huge variety of functions.

So in this article, I’m going to present a few extensions that will optimize your development workflow.

Best Web Developer Extensions:

1. Web Developer
The Web Developer extension adds various web developer tools to a browser. The original concept for the Web Developer extension came from the PNH Web Developer Toolbar. The tools offered by this extension are divided into 10 separate tabs – Disable, Cookies, CSS, Forms, Images, Information, Miscellaneous, Outline, Resize and Tools.

These tools include disabling javascript/plugins cookie manager, CSS property viewer, and editor, form and image manipulation, window resizer, cache management, page ruler, property inspector, etc.

Link – Web Developer

2. Wappalyzer – Technology Identifier

Wappalyzer is a cross-platform utility that uncovers the technologies used on websites. It detects content management systems, e-commerce platforms, web frameworks, server software, analytics tools and many more.

Wappalyzer is an open-source, platform-independent utility capable of identifying 1,262 different web technologies. It was created by Elbert Alias in 2009, has received contributions from hundreds of developers worldwide and enjoys an active user base of a million people.

Wappalyzer fingerprints software using unique patterns found in website source code, response headers, script variables, and several other methods. Wappalyzer is written in JavaScript and can be used on any operating system natively using Node.js. It can be run as a stand-alone application or included as a module in a larger application.

Link – Wappalyzer 

3. PxtoRem

If you are a web developer then you must deal with the sizes of the font like rem, px, dp, rem, etc. The hectic part is knowing the value in different units.

PxtoRem is a simple calculator to convert pixel values to rem values. To convert the pixel value to rem value you just open up the popup window and add the pixel sizes you want to convert in the text area and the list will be automatically updated with the rem versions of those pixel values.

You can also set the base pixel value too. Best of all, the values are stored locally so whatever changes you make will be there when you open the popup window.

Link – PxtoRem

4. User JavaScript and CSS

JavaScript and CSS are not just server-end technologies. You can write your own scripts and stylesheets and make your Web browser apply to them to any website, make that website behave as you want.

Userscript’s and user styles — a simple extension to inject own JavaScript or CSS rules to any page. It offers features like instant execution, Custom libs include, URL masking allows use one script or CSS on many pages.

Link – User JavaScript and CSS

5. WhatFont

Suppose you are visiting a website if you want to know what font that site is using then this extension will help you to find out the font, size, and color as well.

What is the easiest way to find out the fonts used in a webpage? Firebug and Webkit Inspector are easy enough to use for developers. However, for others, this should not be necessary. With this extension, you could inspect web fonts by just hovering on them. It is that simple and elegant. It also detects the services used for serving web fonts. Supports Typekit and Google Font API.

To use this Chrome extension for developers & designers, you simply have to hover over any text element on the webpage that you need to identify. A popup up floating window will display the name of the font face along with a small preview window for you to play around. You can bookmark your favorite font faces and save them for later use.

Link – WhatFont

6. EditThisCoookie – Cookie Manager

EditThisCookie is the most popular cookie manager extension in the Chrome Library with over 2.6 million users which makes it the best cookie manager you can get. This tool allows you to add, delete, search, edit cookies, limit the maximum expiration date of any cookie, improve the performance, remove old cookies, etc. Moreover, you can also import cookies in JSON or (.)txt formats as well. This Chrome extension has been one of the most useful Chrome extensions for developers & designers.

Link – EditThisCookie

7.Amino: Live CSS Editor

By seeing the output customization makes more efficient and faster. While working with CSS if you can see the live preview of the output and the tags then that would make your workflow more efficient.

Amino: Live CSS Editor make visual changes to any website with CSS and see changes in real-time. Sync, edit, and export your custom style sheets. You can customize websites with CSS by creating your own user style sheets. Customize page appearance, fix rendering bugs, make the web what you want it to be.

It syncs your custom style sheets to the cloud and can access them from any desktop device where you are signed into Chrome.

Amino Offers some features like Syntax highlighting, automatic indenting and outdenting, DevTools integration, SCSS/Sass support, Autocomplete, Autosave, Copy to clipboard, Data export, etc.

Link – Amino: Live CSS Editor

8. ColorZilla

ColorZilla is one of the oldest and one of the best chrome extensions for developers. ColorZilla is an extension that assists web developers and graphic designers with color related tasks – both basic and advanced. ColorZilla includes a Color Picker, Eye Dropper, Gradient Generator, and many additional advanced color tools.

With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program. You can analyze the page and inspect a palette of its colors. You can create advanced multi-stop CSS gradients.

Link – ColorZilla

9. Dimensions  

Dimensions is a tool for designers to measure screen dimensions of a website. This extension measures the dimensions from your mouse pointer up/down and left/right until it hits a border. So if you want to measure distances between elements on a website this is perfect. It doesn’t really work with images because there the colors change a lot pixel to pixel.

Dimensions measure between the following elements: images, input-fields, buttons, videos, gifs, text, icons. You can measure everything you see in the browser. Another feature that sets Dimensions apart is its ability to work with mockups as well. If your designer has handed you Page design mockups in Jpeg or PNG formats, drop them inside Chrome and dimensions will work without a problem.

Link – Dimensions

10. Clear Cache

Clear Cache is one of the best web design Chrome extension allows you to clear your cache from the toolbar. You can clear your cache and browsing data with a single click of a button.

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.

Clear Cache is one of the handiest Chrome extensions for developers, designers, and everyone else too.


There are many new exciting extensions are released every day by Chrome developers especially for web developers. These Chrome extensions for developers and designers vary from basic utility and design tools to development tools specific to various languages and frameworks. Keep exploring new Chrome extensions and please share your views below in comments if I have missed anything. I look forward to hearing your favorite Chrome extensions.


Rahul November 26, 2019 - 9:11 PM

Thanks for sharing

Amdad November 27, 2019 - 11:50 AM

This is very helpful for a student

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