Chrome Developer Tools Extensions

Essential extensions for developers. Debugging tools, code editors, API testers, performance analyzers, and development workflow utilities.

17,121 extensions found

Google Chrome Web Store
  • Altair GraphQL Client icon

    Altair GraphQL Client

    A beautiful feature-rich GraphQL Client for all platforms.

    60,000 installs ★ 4.6 (70) Developer Tools
  • Salesforce DevTools icon

    Salesforce DevTools

    Powerful Salesforce developer tools, loved by over 50K developers worldwide.

    60,000 installs ★ 4.2 (49) Developer Tools
  • FlashPlayer - SWF to HTML icon

    FlashPlayer - SWF to HTML

    Open SWF links of Adobe Animate (Flash) in a pure sandboxed JavaScript emulator

    60,000 installs ★ 3.5 (48) Developer Tools
  • RestMan icon

    RestMan

    RESTMan is a browser extension to work on http requests.

    60,000 installs ★ 4.3 (43) Developer Tools
  • HTML Tree Generator icon

    HTML Tree Generator

    Html is really a tree of elements, css is what defines the layout. This extension displays any page as a tree.

    60,000 installs ★ 4.3 (40) Developer Tools
  • Spoof Geolocation icon

    Spoof Geolocation

    This extension alters browser Geolocation latitude and longitude to user-defined values

    60,000 installs ★ 4.4 (38) Developer Tools
  • Socks5 Configurator icon

    Socks5 Configurator

    Configure your browser with socks5 proxy

    60,000 installs ★ 4.3 (34) Developer Tools
  • CookieManager - Cookie Editor icon

    CookieManager - Cookie Editor

    Edit cookies related to the current page and all its CORS frames right from the popup interface

    60,000 installs ★ 3.1 (27) Developer Tools
  • X Pixel Helper icon

    X Pixel Helper

    Displays an icon if there is a X website tag on a given page

    60,000 installs ★ 3.3 (20) Developer Tools
  • Robot Mesh Connect App icon

    Robot Mesh Connect App

    Allows the Robot Mesh extension to communicate with serial or USB ports

    60,000 installs ★ 1.0 (1) Developer Tools
  • Light QRcode icon

    Light QRcode

    Light QRcode is a V3 plug-in, which can easily convert web pages into QR codes.

    60,000 installs Developer Tools
  • Web Maker icon

    Web Maker

    Blazing fast & offline playground for your web experiments

    50,000 installs ★ 4.8 (1,009) Developer Tools
  • Font Detector icon

    Font Detector

    Find out what fonts any website uses — in one click.

    50,000 installs ★ 4.4 (891) Developer Tools
  • Cloud9 icon

    Cloud9

    Cloud9 is an online platform for development that makes developing applications more convenient than ever

    50,000 installs ★ 4.1 (477) Developer Tools
  • Dark Theme for Google™ icon

    Dark Theme for Google™

    A highly customizable dark theme for Google products (search, images, translate, and contacts)

    50,000 installs ★ 4.0 (320) Developer Tools
  • All in One SEO Analyzer by AIOSEO icon

    All in One SEO Analyzer by AIOSEO

    The All in One SEO Analyzer is a free SEO tool that helps analyze your website and optimize it for search engines.

    50,000 installs ★ 4.9 (264) Developer Tools
  • JavaScript Editor icon

    JavaScript Editor

    Edit JavaScript in a live editor that shows the results of running JavaScript, CSS, and HTML

    50,000 installs ★ 3.6 (251) Developer Tools
  • View Image Info (properties) icon

    View Image Info (properties)

    Get properties(including dimensions, URL, file size, file type info) of the image your cursor is pointing to via context menu.

    50,000 installs ★ 4.2 (204) Developer Tools
  • CF-Predictor icon

    CF-Predictor

    This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.

    50,000 installs ★ 4.2 (167) Developer Tools
  • MQTTLens icon

    MQTTLens

    A Google Chrome application, which connects to a MQTT broker and is able to subscribe and publish to MQTT topics.

    50,000 installs ★ 3.1 (156) Developer Tools
  • SVG Gobbler icon

    SVG Gobbler

    Find, optimize, organize, edit, and export your SVGs

    50,000 installs ★ 4.8 (148) Developer Tools
  • Visual CSS Editor icon

    Visual CSS Editor

    Customize any website visually.

    50,000 installs ★ 3.5 (131) Developer Tools
  • UI5 Inspector icon

    UI5 Inspector

    With the UI5 Inspector, you can easily debug and support your OpenUI5 or SAPUI5-based apps.

    50,000 installs ★ 4.6 (113) Developer Tools
  • Simple WebSocket Client icon

    Simple WebSocket Client

    Construct custom Web Socket requests and handle responses to directly test your Web Socket services.

    50,000 installs ★ 3.9 (96) Developer Tools
  • n8n Chat icon

    n8n Chat

    Cursor for n8n - create, edit, debug, and optimize n8n workflows using a simple chat.

    50,000 installs ★ 2.7 (92) Developer Tools
  • TagHound - Analytics/GTM/Pixel Debugger icon

    TagHound - Analytics/GTM/Pixel Debugger

    Debug Google Analytics, Google Tag Manager dataLayer, Google Ads, Facebook Ads & +18 ad platforms pixels: Twitter, TikTok and more

    50,000 installs ★ 4.8 (89) Developer Tools
  • Locale Switcher icon

    Locale Switcher

    Lets you quickly switch the browser locale to test localization on your website.

    50,000 installs ★ 4.4 (76) Developer Tools
  • Cross Domain - CORS icon

    Cross Domain - CORS

    Cross Domain will help you to deal with cross domain - CORS problem. This is tool helpful when face with cross domain issue.

    50,000 installs ★ 3.9 (73) Developer Tools
  • KMF-Unblock icon

    KMF-Unblock

    解除『考滿分』區域限制 A Chrome and Firefox extension that bypasses KMF's region restrictions.

    50,000 installs ★ 4.9 (56) Developer Tools
  • IPFS Companion icon

    IPFS Companion

    Harness the power of IPFS in your browser

    50,000 installs ★ 3.9 (52) Developer Tools
  • Ethereum Gas Price Extension icon

    Ethereum Gas Price Extension

    A simple free utility for your browser that helps you decide how much to spend on your next Ethereum transaction.

    50,000 installs ★ 4.8 (41) Developer Tools
  • Color Dropper icon

    Color Dropper

    An easy-to-use eyedropper tool that automatically copies the Hex Code of the desired color.

    50,000 installs ★ 4.5 (36) Developer Tools
  • xPath Finder icon

    xPath Finder

    Click on any element to get the xPath

    50,000 installs ★ 3.3 (36) Developer Tools
  • Testim Editor icon

    Testim Editor

    The simplest and most advanced testing automation tool, using Adaptive Learning and Computer Vision image validation.

    50,000 installs ★ 3.8 (30) Developer Tools
  • Robots Exclusion Checker icon

    Robots Exclusion Checker

    Checks robots.txt, meta robots, x-robots-tag with URL alerts. Canonical warnings, HTTP header info. An SEO extension, robots tester.

    50,000 installs ★ 4.9 (30) Developer Tools
  • Cisco Network Setup Assistant icon

    Cisco Network Setup Assistant

    Cisco Network Setup Assistant is used to connect devices securely to networks utilizing Cisco Identity Services Engine.

    50,000 installs ★ 3.3 (20) Developer Tools
  • Alt & Meta viewer icon

    Alt & Meta viewer

    This extension show alt and meta.

    50,000 installs ★ 4.2 (10) Developer Tools
  • SOC Sign icon

    SOC Sign

    SOC Sign - Extensão para assinatura digital e biométrica

    50,000 installs ★ 3.3 (9) Developer Tools
  • Robot Mesh Connect Extension icon

    Robot Mesh Connect Extension

    Allows Robot Mesh Studio website to communicate with USB ports of VEX Cortex, VEX V5 and VEX IQ

    50,000 installs ★ 4.4 (9) Developer Tools
  • IP Whois & Flags Chrome & Websites Rating icon

    IP Whois & Flags Chrome & Websites Rating

    Display Website Country Flag. Website Whois - how many Visitors are visiting, Reputation Reviews, Antivirus Check, Alexa, Incognito

    40,000 installs ★ 4.4 (652) Developer Tools
  • Codenvy icon

    Codenvy

    Codenvy is a cloud IDE and developer workspace server that allows anyone to contribute to a project without installing software.

    40,000 installs ★ 4.3 (576) Developer Tools
  • User-Agent Switcher icon

    User-Agent Switcher

    Switches User-Agent strings to mimic, spoof or fake other browsers or bots.

    40,000 installs ★ 3.8 (359) Developer Tools
  • Google Font Previewer for Chrome icon

    Google Font Previewer for Chrome

    Choose a font from the Google Font directory with a few text styling options and preview the font styles on the current tab.

    40,000 installs ★ 4.2 (267) Developer Tools