WhatFont
The easiest way to identify fonts on web pages.
Accessibilityinsights
Solve accessibility issues before they reach your customers.
Checkbot
Checkbot finds SEO, speed & security problems before your website visitors do
Web Developer
Adds a toolbar button with various web developer tools.
Awesome Screenshot & Screen Recorder
Full page screen capture and screen recorder - 2 in 1. Share screencast video instantly
Mobile simulator - responsive testing tool
Smartphone and tablet simulator on computer with several models to test mobile responsive websites.
daily.dev - News for Busy Developers
Get programming news with zero effort. Simply open a new tab, and you’re all set. A must-have tool for busy developers!
JSON Viewer Pro
Visualise JSON response in awesome Tree and Chart view with great user experience and options.
SVG Gobbler
Browser extension to find SVGs on a webpage and download, copy to clipboard, or export as PNG.
Window Resizer
Resize the browser window to emulate various screen resolutions.
Responsive Viewer
Show multiple screens once, Responsive design tester
VisBug
Open source web design debug tool built with JavaScript
PerfectPixel
Adds a semi-transparent image overlay over the top of the developed HTML to easily perform pixel perfect comparison between them, useful for replicating UI designs.
Site Palette
A must-have tool for designers and frontend developers to grab colors for any website.
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies
Imageye - Image downloader
Find and download all images on a web page. With Imageye you can find, browse and download all the images present in a web page.
GoFullPage - Full Page Screen Capture
Capture a screenshot of your current page in entirety and reliably—without requesting any extra permissions!
Stylebot
Change the appearance of the web instantly.
ColorPick Eyedropper
A zoomed eyedropper & color chooser tool that allows you to select color values from webpages and more.
React Developer Tool
React debugging tools to the Chrome Developer Tools. It allows you to inspect the React component hierarchies in the Chrome Developer Tools.
Wappalyzer
Wappalyzer is a technology profiler that shows you what websites are built with.
Fake Filler
Fake Filler a form filler that fills all inputs on a page with fake/dummy data.
Web Editor
The web editor is the tool that provides you with an enhanced way to inspect any website elements, alter their properties, insert contents, design, and visualize the way you want to see them.
Fonts Ninja
Identify fonts from any website, bookmark, try, and buy them.
Lighthouse
An open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Debug CSS
Adds outline to all elements on the page to show the culprit element which is changing desired layout. Helps in debugging CSS of the page
Redux Developer Tool
Redux DevTools provides power-ups for your Redux development workflow. Apart from Redux, it can be used with any other architectures which handle the state.