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
  • 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
  • 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
  • retire.js icon

    retire.js

    Scanning website for vulnerable js libraries

    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
  • 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
  • DePEN (prod) icon

    DePEN (prod)

    Extension to capture original url for PEN urls

    10,000 installs ★ 3.9 (9) 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
  • Unblur icon

    Unblur

    Helps you unblur everything on the page

    10,000 installs ★ 4.0 (9) Developer Tools
  • Resources Saver icon

    Resources Saver

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

    10,000 installs ★ 5.0 (9) Developer Tools
  • TanStack Query DevTools icon

    TanStack Query DevTools

    DevTools extension for debugging TanStack Query applications. Inspect queries, mutations, and cache state in real-time.

    10,000 installs ★ 3.4 (9) Developer Tools
  • Cloudflare Optics icon

    Cloudflare Optics

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

    10,000 installs ★ 5.0 (8) Developer Tools
  • JSON Formatter icon

    JSON Formatter

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

    10,000 installs ★ 4.0 (8) 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
  • CSS Grid Overlay icon

    CSS Grid Overlay

    Easily check the grid alignment of your page across breakpoints.

    10,000 installs ★ 3.9 (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
  • HTTP Indicator icon

    HTTP Indicator

    Indicator for HTTP/2, QUIC and HTTP/3

    10,000 installs ★ 4.4 (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
  • Swagger Inspector Extension icon

    Swagger Inspector Extension

    Allows the Swagger Inspector and AlertSite to bypass CORS and security-scheme related browser-restrictions for API inspection

    10,000 installs ★ 3.7 (7) Developer Tools
  • راصد نور icon

    راصد نور

    اداة رصد الدرجات في نظام نور

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

    GrowthBook DevTools

    GrowthBook DevTools helps you debug feature flags and experiments and design A/B tests visually — all from your browser.

    10,000 installs ★ 3.3 (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
  • 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
  • JWT Inspector icon

    JWT Inspector

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

    10,000 installs ★ 4.6 (5) Developer Tools
  • GraphiQL extension icon

    GraphiQL extension

    Chrome extension for the GraphiQL tool

    10,000 installs ★ 5.0 (5) Developer Tools
  • Salesforce Interactions SDK Launcher icon

    Salesforce Interactions SDK Launcher

    Provides support for launching either the Salesforce CDP Sitemap Editor or Interaction Studio Visual Editor on any domain.

    10,000 installs ★ 4.8 (4) Developer Tools
  • Open in VSCode icon

    Open in VSCode

    Open Github and Gitlab links in VSCode

    10,000 installs ★ 5.0 (4) 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 (4) Developer Tools
  • Java Assist icon

    Java Assist

    Quickly access an online Java complier along with Java documentation without leaving your tab

    10,000 installs ★ 5.0 (4) Developer Tools
  • Kwai Pixel Helper icon

    Kwai Pixel Helper

    Kwai Pixel Assistant The Pixel Helper is a plug-in that monitors whether your Kwai Pixel is functioning properly.

    10,000 installs ★ 5.0 (3) Developer Tools
  • Apidog Browser Extension icon

    Apidog Browser Extension

    All-in-One workspace for API Design, Documentation, Debug, Mock, Test.

    10,000 installs ★ 5.0 (3) Developer Tools
  • Scope Master Page Ruler icon

    Scope Master Page Ruler

    Accurate Pixel Measurement Tool for Web Elements and Pages - Free & Efficient!

    10,000 installs ★ 5.0 (3) Developer Tools
  • Scratchpay Payments icon

    Scratchpay Payments

    Scratch Payments is an extension that allows current Scratch veterinary partners to securely accept card payments through their…

    10,000 installs ★ 5.0 (3) Developer Tools
  • JavaScript-Java Bridge icon

    JavaScript-Java Bridge

    A replacement for the Java Plugin, so Java Applets that use LiveConnect but have no graphics continue to work.

    10,000 installs ★ 1.0 (2) Developer Tools