Developer Tools

ColorZilla

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies

Tag Assistant

The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

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.

Web Developer

Adds a toolbar button with various web developer tools.

Similarweb - Website Traffic, AI Traffic & SEO Checker

Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.

Eye Dropper

Pick colors from any website.

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

Stylus

Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.

Clear Cache

Powerful, user-friendly browser data management, right from your toolbar.

SEO META in 1 CLICK

Displays all meta data and main SEO information for the best SEO

Postman Interceptor

Capture requests from any website and send them to Postman Client.

Color Picker for Chrome™

HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page

Google Analytics Debugger

Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.

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.

Salesforce Inspector Reloaded

Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI.

CSS Peeper

Inspect website styles in seconds. Supercharge your workflow, and save hours of work.

Fake Filler

A form filler that fills all inputs on a page with fake/dummy data.

SelectorsHub

Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.

Angular DevTools

Angular DevTools extends Chrome DevTools adding Angular specific debugging and profiling capabilities.

WhatRuns

Discover what runs a website. Frameworks, Analytics Tools, Wordpress Plugins, Fonts - you name it.

Font Finder

An easy-to-use font inspector to get CSS styles of the selected element

BuiltWith Technology Profiler

Find out what the website you are visiting is built with using this extension.

Responsive Viewer

Show multiple screens once, Responsive design tester

User-Agent Switcher and Manager

Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want

PerfectPixel by WellDoneCode (pixel perfect)

Drop your mockup on the live page for pixel-perfect comparison with your code.

JSON Viewer Pro

A completely free extension to visualise JSON response in awesome Tree and Chart view with great user experience and options. It…

Redirect Path

The HTTP Header & Redirect Checker for SEO

Requestly: Intercept & Modify HTTP Requests

Intercept & modify HTTP(S) traffic: redirect URLs, modify headers, inject scripts, mock REST & GraphQL APIs, and more.

Octotree - GitHub code tree

GitHub on steroids

ColorPick Eyedropper

A zoomed eyedropper & color chooser tool that allows you to select color values from webpages and more.

Window Resizer

Resize the browser window to emulate various screen resolutions.