Chrome Developer Tools Extensions

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

21,997 extensions found

Google Chrome Web Store
  • Salesforce Page Optimizer icon

    Salesforce Page Optimizer

    Analyze, debug, and improve the performance of your Lightning application (Developer Preview)

    8,000 installs ★ 4.3 (17) Developer Tools
  • SWR DevTools icon

    SWR DevTools

    A DevTool to inspect your SWR cache

    8,000 installs ★ 4.3 (15) Developer Tools
  • React Scan Toggle icon

    React Scan Toggle

    Toggle React Scan functionality to analyze React component renders

    8,000 installs ★ 5.0 (13) Developer Tools
  • Seven JSON Viewer icon

    Seven JSON Viewer

    Minimal JSON Viewer with JSON Path

    8,000 installs ★ 4.3 (13) Developer Tools
  • 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
  • ACCURATE for Advertisers icon

    ACCURATE for Advertisers

    Accurate for Advertisers provided by Criteo for Advertisers to test Criteo pixels implemented in the Advertisers' websites.

    8,000 installs ★ 2.1 (12) Developer Tools
  • Paper Snapshot icon

    Paper Snapshot

    Copy and paste your real site directly into Paper as editable layers. No more screenshots!

    8,000 installs ★ 4.9 (11) Developer Tools
  • unFunnelizer icon

    unFunnelizer

    Funnel hacking suite for marketers. Reveal VSLs, copy headlines, download images, and spy on ads.

    8,000 installs ★ 5.0 (10) Developer Tools
  • HTTP Headers icon

    HTTP Headers

    Displays the current tab’s HTTP request and response or a Live HTTP Headers tab showing a stream of requests and responses.

    8,000 installs ★ 4.2 (10) Developer Tools
  • Assistant RGAA icon

    Assistant RGAA

    Extension de navigateur permettant d'auditer des pages web en suivant le référentiel RGAA.

    8,000 installs ★ 5.0 (9) 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
  • Resource Override icon

    Resource Override

    An extension to help you gain full control of any website by redirecting traffic, replacing, editing, or inserting new content.

    8,000 installs ★ 3.7 (9) Developer Tools
  • Qualys Browser Recorder icon

    Qualys Browser Recorder

    Qualys Browser Recorder is a free browser extension to record & play back scripts of any web application.

    8,000 installs ★ 3.6 (8) Developer Tools
  • Sitemap Explorer icon

    Sitemap Explorer

    This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.

    8,000 installs ★ 4.0 (7) 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 (4) Developer Tools
  • DOM X-Ray icon

    DOM X-Ray

    See through the DOM to visually debug CSS positioning.

    8,000 installs ★ 4.2 (4) Developer Tools
  • Rombo icon

    Rombo

    Add beautiful, customisable animations to any website element in one-click

    8,000 installs ★ 2.0 (1) Developer Tools
  • Codeanywhere icon

    Codeanywhere

    Cloud IDE · Online Code Editor · Codeanywhere - this extension enables opening Codeanywhere workspaces from Git provider sites.

    7,000 installs ★ 4.3 (197) Developer Tools
  • OctoLinker icon

    OctoLinker

    OctoLinker – Links together, what belongs together.

    7,000 installs ★ 4.9 (110) Developer Tools
  • Rails Panel icon

    Rails Panel

    Devtools panel for Rails development

    7,000 installs ★ 4.8 (107) Developer Tools
  • Virtual Hosts icon

    Virtual Hosts

    Access virtual hosts of a server without the need of host redirection or DNS.

    7,000 installs ★ 3.3 (103) Developer Tools
  • HostAdmin App icon

    HostAdmin App

    Saving your time when you switch domain-ip mapping (Hosts file) between different environment. Awesome host file editor !

    7,000 installs ★ 2.8 (93) Developer Tools
  • Scratch 3 Developer Tools icon

    Scratch 3 Developer Tools

    Scratch 3 Developer Tools to enhance your Scratch Editing Experience on https://scratch.mit.edu

    7,000 installs ★ 4.8 (91) Developer Tools
  • Wix Free Website builder - Review icon

    Wix Free Website builder - Review

    Create a free website with Wix.com. Customize with Wix free website builder. Choose a design, begin customizing and be online today!

    7,000 installs ★ 4.1 (85) Developer Tools
  • GitHub Repository Size icon

    GitHub Repository Size

    Automatically adds repository size to GitHub's repository summary

    7,000 installs ★ 4.3 (84) Developer Tools
  • HTTP Header Spy icon

    HTTP Header Spy

    HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.

    7,000 installs ★ 3.8 (61) 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 (44) Developer Tools
  • Shopify theme search (Fast) icon

    Shopify theme search (Fast)

    Search for files FAST inside your Shopify theme. Stop wasting time searching for text or files within your theme. You can now…

    7,000 installs ★ 3.9 (42) Developer Tools
  • Clear Cache icon

    Clear Cache

    A true one-click cache clearing button for web developers. That's it.

    7,000 installs ★ 4.4 (34) Developer Tools
  • Da Vinci Tools icon

    Da Vinci Tools

    The Supermetrics Google Marketing Platform power tools for smart digital marketers and analysts.

    7,000 installs ★ 4.5 (33) Developer Tools
  • WizExtend icon

    WizExtend

    Get real-time security alerts and context-aware insights in your cloud portal.

    7,000 installs ★ 5.0 (30) Developer Tools
  • Core Web Vitals Test icon

    Core Web Vitals Test

    Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

    7,000 installs ★ 4.9 (29) 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 ★ 4.3 (28) 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 ★ 4.3 (24) Developer Tools
  • Akamai debug headers icon

    Akamai debug headers

    Add diagnostic headers to Akamai'd websites

    7,000 installs ★ 3.8 (24) 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
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