Chrome Developer Tools Extensions

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

21,577 extensions found

Google Chrome Web Store
  • HTML Diff Check Tool icon

    HTML Diff Check Tool

    Tool for checking HTML difference between tabs ,or between production and development environment.

    10,000 installs ★ 4.4 (17) Developer Tools
  • Color Picker - Native Eyedropper icon

    Color Picker - Native Eyedropper

    Determine the pixel's color on the screen with a magnifying glass eyedropper. It supports color selection history and clipboard copy

    10,000 installs ★ 4.4 (16) Developer Tools
  • Livewire devtools icon

    Livewire devtools

    Chrome and Firefox DevTools extension for debugging Livewire applications.

    10,000 installs ★ 3.4 (16) Developer Tools
  • 开发工具箱 icon

    开发工具箱

    常用小工具集合于一身,为我们的工作带来了福音。

    10,000 installs ★ 4.8 (16) Developer Tools
  • Cache Killer icon

    Cache Killer

    Automatically clear your browser cache before loading a page. Can be enabled/disabled with a single mouse click

    10,000 installs ★ 4.1 (16) Developer Tools
  • Markdown Editor for Chrome™ icon

    Markdown Editor for Chrome™

    Create and view markdown files easily from anywhere with our simple, GitHub-flavored markdown editor.

    10,000 installs ★ 3.8 (16) Developer Tools
  • JSON Formatter Pro icon

    JSON Formatter Pro

    Beautiful JSON viewer with sidebar — search, copy paths, export, pin nodes, and history.

    10,000 installs ★ 4.0 (15) Developer Tools
  • Mitaka icon

    Mitaka

    A browser extension for searching IP, domain, URL, hash, etc. via the context menu.

    10,000 installs ★ 2.8 (15) Developer Tools
  • Python Code Runner icon

    Python Code Runner

    Python playground and script runner. Run Python code snippets from any website using our free online Python compiler and IDE.

    10,000 installs ★ 4.9 (15) Developer Tools
  • Proxy SwitchyOmega MV3 icon

    Proxy SwitchyOmega MV3

    Manage and switch between multiple proxies quickly & easily.

    10,000 installs ★ 3.7 (15) Developer Tools
  • Dart Debug Extension icon

    Dart Debug Extension

    Enables debugging Dart web application using package:dwds. Source code:…

    10,000 installs ★ 2.9 (15) Developer Tools
  • Playwright Chrome Recorder icon

    Playwright Chrome Recorder

    Playwright extension for DevTools that allows you to export tests directly from the Recorder panel.

    10,000 installs ★ 2.8 (15) Developer Tools
  • 10015 Developer Toolkit icon

    10015 Developer Toolkit

    17 built-in developer tools in your sidebar. Convert text, encode/decode, generate hashes, mix colors & more.

    10,000 installs ★ 4.7 (15) Developer Tools
  • Outliner CSS icon

    Outliner CSS

    A totally awesome structure and layout debugger that inserts CSS outlines to all elements.

    10,000 installs ★ 4.5 (15) Developer Tools
  • JSONViewer icon

    JSONViewer

    Format several JSON documents in one window, depends to your screen width, up to 6

    10,000 installs ★ 4.7 (15) Developer Tools
  • SQLite browser icon

    SQLite browser

    Try our SQLite Browser for easy management of SQLite databases. This sqlite db viewer is tailored for developers

    10,000 installs ★ 4.9 (15) Developer Tools
  • Jazz-MIDI icon

    Jazz-MIDI

    MIDI support for browsers

    10,000 installs ★ 3.9 (15) Developer Tools
  • Privacy Sandbox Analysis Tool icon

    Privacy Sandbox Analysis Tool

    Tooling for understanding cookie usage and guidance on new privacy-preserving Chrome APIs.

    10,000 installs ★ 4.6 (14) Developer Tools
  • Snowplow Inspector icon

    Snowplow Inspector

    Add a panel to DevTools to show Snowplow analytics beacon information.

    10,000 installs ★ 4.2 (14) Developer Tools
  • Filtered Interview Tool icon

    Filtered Interview Tool

    The Filtered Extension monitors the URLs and titles of tabs opened before and during a Filtered interview.

    10,000 installs ★ 1.6 (14) Developer Tools
  • Professor Prebid icon

    Professor Prebid

    Extension to validate your prebid.js setup, list AdUnits and bids, visualise latencies and timings of your webpages header-bidding…

    10,000 installs ★ 3.8 (14) Developer Tools
  • Color Code Finder icon

    Color Code Finder

    Utilize Color Code Finder with RGB color finder as screen color picker to get HEX code from image and find HEX color code.

    10,000 installs ★ 4.4 (14) Developer Tools
  • CSS Selector Capture Pro icon

    CSS Selector Capture Pro

    Generate a copiable CSS Selector with a mouseover without Devtool

    10,000 installs ★ 5.0 (13) Developer Tools
  • GitKraken icon

    GitKraken

    The GitKraken Browser Extension bridges your hosted git repositories to GitKraken Desktop and with GitLens in VS Code.

    10,000 installs ★ 4.6 (13) Developer Tools
  • Font Finder icon

    Font Finder

    Font finder for images, texts and websites to check Font Family, size, height

    10,000 installs ★ 4.3 (12) Developer Tools
  • OGraph Previewer icon

    OGraph Previewer

    A light-weight extension to preview the open graph tags ( og tags) of the page in your current tab

    10,000 installs ★ 4.5 (12) Developer Tools
  • Global Cookie Manager icon

    Global Cookie Manager

    Cookie Manager with advanced global search, editing and import/export functionality that acts on all browser cookies.

    10,000 installs ★ 4.1 (12) Developer Tools
  • DotGit icon

    DotGit

    An extension for checking if .git is exposed in visited websites

    10,000 installs ★ 4.8 (12) Developer Tools
  • Web Screenshot icon

    Web Screenshot

    Takes Web and Desktop screenshots with a single click

    10,000 installs ★ 4.5 (12) Developer Tools
  • Segment Event Tracker icon

    Segment Event Tracker

    See when Segment, Rudderstack, Attribution and Dreamdata events are being tracked.

    10,000 installs ★ 4.7 (12) Developer Tools
  • CLS Visualizer icon

    CLS Visualizer

    Visualizer the CLS of any webpage

    10,000 installs ★ 4.4 (11) Developer Tools
  • Color Picker and Eye Dropper icon

    Color Picker and Eye Dropper

    Color Picker tool extracts colours from a webpage and stores them in a Recent Colors palette. Eye Dropper feature.

    10,000 installs ★ 4.6 (11) Developer Tools
  • EXP Cookies Tool icon

    EXP Cookies Tool

    This extension help the user can export the browser cookies to file and import the cookies from file

    10,000 installs ★ 5.0 (11) Developer Tools
  • CrowdScrape icon

    CrowdScrape

    Scrape web content for indicators of interest and integrate CrowdStrike Intelligence information

    10,000 installs ★ 5.0 (11) Developer Tools
  • XPath Helper 2.0 icon

    XPath Helper 2.0

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

    10,000 installs ★ 4.4 (11) Developer Tools
  • 더망고 솔루션 icon

    더망고 솔루션

    더망고는 '해외쇼핑몰 상품 수집' + '수집 데이터 가격 재고 관리' + '오픈마켓 및 자사몰로의 데이터 전송' 이 모두 합쳐진 대한민국 유일의 데이터 통합 관리 솔루션입니다.

    10,000 installs ★ 4.6 (11) Developer Tools
  • Font Inspector icon

    Font Inspector

    Click on any HTML element to get the font info in a popup!

    10,000 installs ★ 3.1 (10) Developer Tools
  • JSON格式化工具 icon

    JSON格式化工具

    一个JSON格式化工具,方便查看、查找JSON格式数据

    10,000 installs ★ 4.9 (10) Developer Tools
  • retire.js icon

    retire.js

    Scanning website for vulnerable js libraries

    10,000 installs ★ 4.9 (10) Developer Tools
  • REST Client icon

    REST Client

    Use Rest Client – your powerful REST API client tool for testing and debugging HTTP requests both online and locally in Chrome

    10,000 installs ★ 4.9 (10) Developer Tools
  • Alephium Extension Wallet icon

    Alephium Extension Wallet

    Alephium's official extension wallet with powerful features and a clean UI.

    10,000 installs ★ 4.6 (10) Developer Tools