Chrome Developer Tools Extensions

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

17,057 extensions found

Google Chrome Web Store
  • DevTools z-index icon

    DevTools z-index

    Print all elements with z-index sorted by that number.

    8,000 installs ★ 3.3 (12) Developer Tools
  • Easy Cookie Editor icon

    Easy Cookie Editor

    Easy Cookie Editor is a cookie manager. Control your cookies! You can add, delete, edit, and search.

    8,000 installs ★ 4.6 (11) Developer Tools
  • Cypress Recorder icon

    Cypress Recorder

    Records a user session and generates cypress code for automation and testing purposes.

    8,000 installs ★ 4.8 (10) Developer Tools
  • Web Component DevTools icon

    Web Component DevTools

    Developer tooling for Web Components and Web Component Libraries

    8,000 installs ★ 4.3 (9) Developer Tools
  • Userflow icon

    Userflow

    Preview Userflow drafts before installing Userflow.js, and debug your setup directly on your website for seamless integration.

    8,000 installs ★ 5.0 (9) Developer Tools
  • Mixpanel Tools icon

    Mixpanel Tools

    A debugger tool helps to intercept mixpanel events and display event properties

    8,000 installs ★ 4.9 (9) Developer Tools
  • XPath Helper 2.0 icon

    XPath Helper 2.0

    This Chrome extension helps generate and test XPath expressions directly on webpages.

    8,000 installs ★ 4.5 (8) Developer Tools
  • Cloudflare Optics icon

    Cloudflare Optics

    Provides connection and security information when visiting sites, especially sites using Cloudflare.

    8,000 installs ★ 5.0 (8) Developer Tools
  • Simple icon

    Simple

    Focus on your code, not your settings.

    8,000 installs ★ 3.0 (4) Developer Tools
  • Site Speed by DebugBear icon

    Site Speed by DebugBear

    View Web Vitals metrics for the websites you visit and quickly navigate to external web performance testing tools.

    8,000 installs ★ 4.8 (4) Developer Tools
  • Color Picker - Web Development icon

    Color Picker - Web Development

    Free eyedropper tool for capturing website colors. Features live color picking, plus color history.

    8,000 installs ★ 5.0 (3) Developer Tools
  • Custom Redirects icon

    Custom Redirects

    Extension allows to redirect any http request to any destination. Useful for debugging or blocking certain scripts.

    7,000 installs ★ 3.8 (205) Developer Tools
  • Rails Panel icon

    Rails Panel

    Devtools panel for Rails development

    7,000 installs ★ 4.8 (107) Developer Tools
  • CSS Shapes Editor icon

    CSS Shapes Editor

    Interactive editor for CSS Shapes.

    7,000 installs ★ 3.8 (102) Developer Tools
  • Pano fetch icon

    Pano fetch

    Street View panorama fetcher.

    7,000 installs ★ 3.5 (77) Developer Tools
  • WebGL Earth icon

    WebGL Earth

    Open source 3D digital globe for web and mobile devices

    7,000 installs ★ 3.2 (68) Developer Tools
  • CSS3 Generator icon

    CSS3 Generator

    A handy generator for all of your CSS3 needs from within the browser

    7,000 installs ★ 4.7 (60) Developer Tools
  • JackDB - SQL Database Client icon

    JackDB - SQL Database Client

    JackDB is a secure, collaborative environment for your team's SQL queries and data-driven insights.

    7,000 installs ★ 2.8 (58) Developer Tools
  • Relative XPath Helper icon

    Relative XPath Helper

    Woohoo, just right click on the first and second element to get the relative xpath. Have Fun!!

    7,000 installs ★ 3.7 (49) Developer Tools
  • Chrome Key Event Tester icon

    Chrome Key Event Tester

    Test press, release and character events for JavaScript and PPAPI.

    7,000 installs ★ 4.1 (48) Developer Tools
  • SerpWorx icon

    SerpWorx

    SerpWorx SEO extension. Free trial version, no cc req, only $29.95 p/m. Instant SEO metrics in your search results & on any site.

    7,000 installs ★ 4.2 (48) Developer Tools
  • Netify icon

    Netify

    Debugging proxy that will allow you to intercept and mutate requests from a web page

    7,000 installs ★ 4.6 (43) Developer Tools
  • Brackets on rollApp icon

    Brackets on rollApp

    Brackets is a lightweight, yet powerful text editor for web developers.

    7,000 installs ★ 3.1 (40) Developer Tools
  • Script Executor icon

    Script Executor

    Used to run script on page to get results

    7,000 installs ★ 2.9 (40) Developer Tools
  • Yet Another Lorem Ipsum Generator icon

    Yet Another Lorem Ipsum Generator

    Versatile Lorem Ipsum Generator that inserts various types of blind text directly into websites or copies it to the clipboard.

    7,000 installs ★ 4.9 (36) Developer Tools
  • Markdown Editor icon

    Markdown Editor

    A Github Flavored Markdown Editor

    7,000 installs ★ 4.1 (31) Developer Tools
  • Pixefy - Responsive Design Checker icon

    Pixefy - Responsive Design Checker

    Preview and debug your website’s responsiveness across multiple devices in real-time, all inside one browser tab.

    7,000 installs ★ 4.7 (29) Developer Tools
  • Odoo Utility icon

    Odoo Utility

    Simple shortcuts and tools to save time

    7,000 installs ★ 5.0 (28) Developer Tools
  • Grid Lines Ruler icon

    Grid Lines Ruler

    Create grids on pages that provide the developers visual hints to help in developing the web app layouts.

    7,000 installs ★ 4.4 (27) Developer Tools
  • Copy Css Selector icon

    Copy Css Selector

    Extends the Developer Tools and context menu, adding a sidebar that displays the css path of DOM element.

    7,000 installs ★ 3.8 (26) Developer Tools
  • My Little Password icon

    My Little Password

    Create password protected ZIP files

    7,000 installs ★ 3.9 (24) Developer Tools
  • NetSuite: HTML Script Notes icon

    NetSuite: HTML Script Notes

    Add HTML elements and styles to your script notes. View Pretty Print JSON objects. Links to records.

    7,000 installs ★ 4.4 (22) Developer Tools
  • Selenium Object Finder icon

    Selenium Object Finder

    Find Selenium Objects - id, name and custom attributes highlighted in different colors for easier test automation

    7,000 installs ★ 3.1 (21) Developer Tools
  • Online Timer icon

    Online Timer

    Set this online Countdown Timer for cooking or any purpose. 100% FREE to use online

    7,000 installs ★ 2.5 (21) Developer Tools
  • Follow, Nofollow Link Checker 🔗 icon

    Follow, Nofollow Link Checker 🔗

    Follow, NoFollow Link Checker: This extension helps highlight and export NoFollow and DoFollow links on the current web page. 📔

    7,000 installs ★ 5.0 (19) Developer Tools
  • OpenLink Structured Data Sniffer icon

    OpenLink Structured Data Sniffer

    Reveals structured metadata (Microdata, RDFa, JSON-LD, Turtle, etc.) embedded within HTML documents.

    7,000 installs ★ 4.6 (18) Developer Tools
  • WebSocket DevTools icon

    WebSocket DevTools

    Professional WebSocket debugging tool with message proxying, simulation, blocking and favorites features

    7,000 installs ★ 4.9 (18) Developer Tools
  • Power Automate Tools icon

    Power Automate Tools

    This extension enables editing a Power Automate flow definition as JSON.

    7,000 installs ★ 4.0 (17) Developer Tools
  • Color Dropper icon

    Color Dropper

    Use Color Dropper from image as an RGB color code identifier and HEX color code finder to extract color from image and website.

    7,000 installs ★ 5.0 (17) Developer Tools
  • Link Checker icon

    Link Checker

    This extension runs through links on the current pages and checks whether they work

    7,000 installs ★ 4.1 (17) Developer Tools
  • GA4 Fixer icon

    GA4 Fixer

    Patch holes in GA4 for better reporting. Adds '% of Total' in reports, 'Click to Copy' values, one-click report building and more.

    7,000 installs ★ 4.9 (16) Developer Tools