GoFullPage - Full Page Screen Capture
Capture a screenshot of your current page in entirety and reliably—without requesting any extra permissions!
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies
JSON Formatter
Makes JSON easy to read. Open source.
User-Agent Switcher for Chrome
Spoofs & Mimics User-Agent strings.
Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Similarweb - Website Traffic & SEO Checker
Instant website analysis and SEO metrics at your fingertips.
SEOquake
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
Clear Cache
Powerful, user-friendly browser data management, right from your toolbar.
Selenium IDE
Selenium Record and Playback tool for ease of getting acquainted with Selenium WebDriver.
ModHeader - Modify HTTP headers
Modify HTTP request headers, response headers, and redirect URLs
Postman Interceptor
Capture requests from any website and send them to Postman Client.
SEO META in 1 CLICK
Displays all meta data and main SEO information for the best SEO
Stylus
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
CSS Peeper
Extract CSS and build beautiful styleguides.
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
WhatRuns
Discover what runs a website. Frameworks, Analytics Tools, Wordpress Plugins, Fonts - you name it.
Color Picker for Chrome™
HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
SelectorsHub - XPath Helper
XPath plugin to auto generate, write and verify xpath & cssSelector.
Fake Filler
A form filler that fills all inputs on a page with fake/dummy data.
Detailed SEO Extension
Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.
Responsive Viewer
Show multiple screens once, Responsive design tester
Grepper
The Query & Answer System for the Coder Community
JSON Viewer Pro
A completely free extension to visualise JSON response in awesome Tree and Chart view with great user experience and options. ✅…
Requestly - Intercept, Modify & Mock HTTP Requests
The easiest way to Redirect URLs, Modify HTTP Headers, Mock APIs, Inject custom JS, Modify GraphQL Requests
Color Tab
A beautiful color palette with every new tab!
META SEO inspector
This extension is primarily aimed at web developers who need to verify the HTML of their sites to ensure compliance with Google's…
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
VisBug
Open source browser design tools
QR Code (Generator and Reader)
Generate QR Code from the url of current page, link or selected text. And decode QR Code in image.
Web Vitals
Measure metrics for a healthy site
User Agent Switcher
Simplest way to switch between user-agents in your browser!