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
  • DotGit icon

    DotGit

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

    10,000 installs ★ 4.8 (12) 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 (12) 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 (12) Developer Tools
  • CORS Unblock icon

    CORS Unblock

    Temporarily unblock CORS for development and testing purposes

    10,000 installs ★ 5.0 (11) 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.

    10,000 installs ★ 4.3 (11) Developer Tools
  • CLS Visualizer icon

    CLS Visualizer

    Visualizer the CLS of any webpage

    10,000 installs ★ 4.4 (11) Developer Tools
  • Dell Blink Sample icon

    Dell Blink Sample

    Dell LED Controller - Sample Code

    10,000 installs ★ 3.8 (11) 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 ★ 5.0 (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
  • 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 ★ 4.4 (10) 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
  • 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
  • retire.js icon

    retire.js

    Scanning website for vulnerable js libraries

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

    Simple WebSocket Client

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

    10,000 installs ★ 4.4 (9) Developer Tools
  • API Tester - REST Client Testing Tool icon

    API Tester - REST Client Testing Tool

    Free REST API Tool, Use it to develop, test, debug RESTful APIs and HTTP request & REST services in Google Chrome Web Store.

    10,000 installs ★ 2.7 (9) Developer Tools
  • SAML to AWS STS Keys Conversion icon

    SAML to AWS STS Keys Conversion

    Generates file with AWS STS Keys after logging in to AWS webconsole using SSO (SAML 2.0). It leverages 'assumeRoleWithSAML' API.

    10,000 installs ★ 3.8 (9) Developer Tools
  • Keyboard History Recorder icon

    Keyboard History Recorder

    Keyboard History Recorder is an online Monitoring tool that helps you record the keystrokes

    10,000 installs ★ 3.5 (8) Developer Tools
  • CSS Grid Overlay icon

    CSS Grid Overlay

    Easily check the grid alignment of your page across breakpoints.

    10,000 installs ★ 4.0 (8) Developer Tools
  • Unblur icon

    Unblur

    Helps you unblur everything on the page

    10,000 installs ★ 3.9 (8) Developer Tools
  • swagger-viewer icon

    swagger-viewer

    Shows swagger yaml/json rendered by Swagger-UI. This extension replace swagger code into preview html in GitHub.

    10,000 installs ★ 3.2 (8) Developer Tools
  • yandex-music-token icon

    yandex-music-token

    Расширение для безопасной авторизации пользователей Яндекс.Музыка в Telegram

    10,000 installs ★ 4.0 (8) Developer Tools
  • HTTP Indicator icon

    HTTP Indicator

    Indicator for HTTP/2, QUIC and HTTP/3

    10,000 installs ★ 4.4 (7) Developer Tools
  • VSigner icon

    VSigner

    Phần mềm ký số điện tử là phần mềm giúp hỗ trợ ký số

    10,000 installs ★ 4.4 (7) Developer Tools
  • Resources Saver icon

    Resources Saver

    Save all of a webpage's files while retaining folder structure.

    10,000 installs ★ 5.0 (7) Developer Tools
  • Prompt Optimizer icon

    Prompt Optimizer

    Large Language Model Prompt Optimization Tool: One-click prompt optimization with multi-round iterative improvements and version…

    10,000 installs ★ 5.0 (7) Developer Tools
  • Font Finder icon

    Font Finder

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

    10,000 installs ★ 3.9 (7) Developer Tools
  • Reddit Pixel Helper icon

    Reddit Pixel Helper

    The Reddit Pixel Helper is a tool to QA your pixel implementation.

    10,000 installs ★ 5.0 (7) Developer Tools
  • Cookie Manager icon

    Cookie Manager

    Cookie Manager. Support Edit、Add、Delete and Search Cookie, Export/Import Cookies.

    10,000 installs ★ 3.3 (7) Developer Tools
  • Swagger UI - API Documentation Viewer icon

    Swagger UI - API Documentation Viewer

    View and test OpenAPI/Swagger documentation directly in your browser with beautiful themes. Perfect for API developers and testers.

    10,000 installs ★ 3.7 (7) Developer Tools
  • Logalty ClickOnce icon

    Logalty ClickOnce

    This extension adds support for launching ClickOnce applications from Google Chrome.

    10,000 installs ★ 4.1 (7) Developer Tools
  • راصد نور icon

    راصد نور

    اداة رصد الدرجات في نظام نور

    10,000 installs ★ 5.0 (6) Developer Tools
  • gridView icon

    gridView

    A simple tool for web designers/developers to overlay a grid on any website with custom columns, colors and more.

    10,000 installs ★ 3.7 (6) Developer Tools
  • <view-source> icon

    <view-source>

    View source code of online HTML, CSS & JavaScript files

    10,000 installs ★ 3.3 (6) Developer Tools
  • JWT Inspector icon

    JWT Inspector

    Display JWT bearer tokens in a new tab in Chrome's Developer Tools

    10,000 installs ★ 4.7 (6) Developer Tools
  • SEO META 1 COPY icon

    SEO META 1 COPY

    This is an extension that allows you to easily check SEO-related meta information and copy it with one click.

    10,000 installs ★ 4.8 (6) Developer Tools
  • JSON Viewer icon

    JSON Viewer

    Create,edit,delete and Format JSON object easyly.

    10,000 installs ★ 4.7 (6) Developer Tools
  • HAR/JSON viewer icon

    HAR/JSON viewer

    Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files.

    10,000 installs ★ 4.3 (6) Developer Tools
  • JSON Formatter icon

    JSON Formatter

    Instantly transform raw JSON into a beautifully structured and color-coded format.

    10,000 installs ★ 5.0 (5) Developer Tools
  • GraphiQL extension icon

    GraphiQL extension

    Chrome extension for the GraphiQL tool

    10,000 installs ★ 5.0 (5) Developer Tools
  • Open in VSCode icon

    Open in VSCode

    Open Github and Gitlab links in VSCode

    10,000 installs ★ 5.0 (4) Developer Tools