Developer
177 extensions found
Developer tools give web developers superpowers directly in the browser. Debug faster, inspect APIs, test responsiveness, and streamline your development workflow with these essential extensions.
webhint
💻Developer
Quickly test your website to see if there are any issues with accessibility, browser compatibility, security, performance and more.
taba11y - Tab order accessibility tes...
💻Developer
Visualise tab order with ease
Lexical Developer Tools
💻Developer
Adds Lexical debugging tools to the Chrome Developer Tools.
CSS Pully – Font & Color & Style Insp...
💻Developer
Font & CSS Detector - CSS Pully extracts colors, fonts, shadows, and styles from any webpage. Perfect for designers & developers.
CSS Inspector Pro
💻Developer
Beautiful CSS, HTML & Style Inspector with copy functionality
Functional JSON viewer
💻Developer
Modern JSON formatter and explorer.
Just JSON Viewer
💻Developer
View nicely formatted and highlighted JSON files. No special permissions. No signup. No ads. No tracking.
API Tester
💻Developer
Rest API Tester is an easy api testing tool. Streamline your software development and test api online with this Chrome extension.
API Testing Tool
💻Developer
A Postman-like API testing tool that opens in a new tab
Test API
💻Developer
Use Test API for restful api testing. This postman alternative test rest api online and use post request online to test API endpoint
ThinkReview: AI Code Review for GitLa...
💻Developer
AI Copilot & AI Code Reviews for GitLab, GitHub, Bitbucket and Azure DevOps PRs - Ollama and OpenRouter support
Vibinex Code Review
💻Developer
Personalization and context for pull requests on GitHub & Bitbucket
BitBucket Code Review Bot
💻Developer
Update the openai key and prompt in the extension popup and click the scar pr review button
Bug Matrix 🐞 – SQA Testing Tools Hub
💻Developer
A comprehensive browser extension for testers with tools for testing, test data generation, security payloads, and more.
LoadFocus - JMeter Cloud Load Testing...
💻Developer
Record JMeter tests while browsing, upload JMX files to the cloud, and run load tests with thousands of users.
Kameleoon Debug Assistant
💻Developer
Instantly see live experiments, feature flags, and personalization campaigns on your site and verify everything is firing correctly.
Datadog test recorder
💻Developer
Record end-to-end tests in your browser.
HTTP Header Spy
💻Developer
Shows HTTP headers and site IP for current page
HTTP Header Injector
💻Developer
Easily inject custom HTTP headers into your browser requests. Toggle on/off, filter by domain, and manage multiple headers.
Cookie Manager Pro
💻Developer
View, edit, delete, export, and manage cookies with one click. Save cookie profiles, monitor changes, and protect cookies.
Amazon Q Developer | GitHub issue helper
💻Developer
Quickly assign GitHub issues to Amazon Q Developer - your AI assistant for code generation.
TypeScan What Font Finder
💻Developer
Identify What Font Instantly. Copy with Ease, Free Always WhatFont Font Finder. What HTML Font?
DesignPicker - Color Picker & Font De...
💻Developer
A smart developer tool that supports color picking and font detecting, making develop design easier.
SQA Spell Check
💻Developer
QA extension to detect spelling mistakes in visible text on web pages.
What Is My IP address On Chrome
💻Developer
Shows your public IP and basic location / ISP / timezone info.
Navigate like a screen reader
💻Developer
Finds landmarks, headings, links and form controls on a page and lets you navigate with them, much as a screen reader user can)
Restfox CORS Helper
💻Developer
Help bypass CORS when making requests from Restfox
Zukeeper: Devtools for Zustand
💻Developer
Devtools for Zustand, in Zustand
Octotree - GitHub code tree
💻Developer
GitHub on steroids
Checkbot: SEO, Web Speed & Security T...
💻Developer
Test SEO/speed/security of 100s of pages in a click! Check broken links, HTML/JavaScript/CSS, URL redirects, duplicate titles...
OctoLinker
💻Developer
OctoLinker – Links together, what belongs together.
File Icons for GitHub and GitLab
💻Developer
A simple browser tool changes file's icon on GitHub, GitLab, gitea and gogs.
Web Scraper
💻Developer
Scrape website in seconds with our web scraper tool.Easy-to-use,fast,and free interface for hassle-free scraping
Hackertab – Dev News & GitHub in New Tab
💻Developer
Developer news from GitHub Trending, Hacker News, and more, all in your new tab.
Codecode Review for GitLab
💻Developer
Adds more features to GitLab code reviews
Qodo Merge: AI-Powered Code Reviews &...
💻Developer
Chat with your GitHub pull request code, and get AI-powered reviews, descriptions, and code suggestions
All in One SEO Analyzer by AIOSEO
💻Developer
The All in One SEO Analyzer is a free SEO tool that helps analyze your website and optimize it for search engines.
Pesticide - Advanced CSS Debugger
💻Developer
Not only inserts outlines (without background color) on all elements, but also inspects size and layout. CSS is awesome!
Opkey Browser Extension
💻Developer
Enhance your test management, bug reporting, and issue tracking with Opkey’s new easy-to-use QLM Browser extension.
Testing Toolkit: 15+ Essential Manual...
💻Developer
Redefine manual testing with best-in-class tools, supercharged with AI. JSON Formatter, Cache Manager, Responsive testing & more
IBM Equal Access Accessibility Checker
💻Developer
A web browser extension for checking accessibility issues
Refined GitHub
💻Developer
Simplifies the GitHub interface and adds useful features
Talend API Tester - Free Edition
💻Developer
Visually interact with REST, SOAP and HTTP APIs.
GitHub Isometric Contributions
💻Developer
Renders an isometric pixel view of GitHub contribution graphs.
daily.dev | Developer News Done Right...
💻Developer
Developer news, personalized to your stack, in every new tab. Join 400,000+ developers. Free and open source.
Ona
💻Developer
Ona is your mission control for serious software projects and parallel coding agents.
Jira Assistant: Worklog, Sprint repor...
💻Developer
Help to track & upload work done on a Jira Ticket on timely basis and generate Worklog, Sprint and other custom reports.
Ember Inspector
💻Developer
Tool for debugging Ember applications.
Windsurf Plugin: AI Code Autocompleti...
💻Developer
Your modern coding superpower. Get code completions in Colab and more.
Mockiato — Free API Testing & Mocking...
💻Developer
Chrome extension to intercept requests, create real-time mocks, and auto-insert headers for web development & testing API.
Site Speed by DebugBear
💻Developer
View Web Vitals metrics for the websites you visit and quickly navigate to external web performance testing tools.
TagHound - Analytics/GTM/Pixel Debugger
💻Developer
Debug Google Analytics, Google Tag Manager dataLayer, Google Ads, Facebook Ads & +18 ad platforms pixels: Twitter, TikTok and more
Link Redirect Trace
💻Developer
The all-in-one redirect path analyzer. It also analyzes protocol headers, REL-canonicals, robots.txt, backlink power, and trust!
MS Teams Video & Transcript Downloader
💻Developer
Download MS Teams meeting videos and transcripts. Multiple formats (JSON, VTT, Grouped). In-browser.
Similarweb - Website Traffic, AI Traf...
💻Developer
Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.
GitHub Hovercard
💻Developer
Neat hovercards for GitHub.
Preact Developer Tools
💻Developer
Adds debugging tools for Preact to Chrome
Virtual Json Viewer
💻Developer
JSON browser extension with virtual DOM, search and JQ filtering
JSON Viewer Pro
💻Developer
A completely free extension to visualise JSON response in awesome Tree and Chart view with great user experience and options. It…
SEO Checker by Sekhlo
💻Developer
Analyze on-page SEO, technical signals, schema, performance, links, SSL, and AI-readiness. Optional APIs add DA/PA and AI tips.
Anti Anti Debug
💻Developer
Be able to use developer tools again
Odoo Debug
💻Developer
Minimal and fast extension to toggle debug mode of Odoo
BugBug Automation Testing
💻Developer
Automate your website testing without code. An easy alternative to Selenium, Cypress and Katalon.
Boomerang - SOAP & REST Client
💻Developer
Seamlessly integrate and test SOAP & REST services.
Website SEO Checker
💻Developer
Get free on-page SEO report by 100+ parameters with the best website SEO checker
SpeedMate: Speed Test & Internet Conn...
💻Developer
HubbleIQ SpeedTest: Powerful Internet & WiFi Performance Monitoring
Analytics Debugger
💻Developer
Your Single Source of Truth (SSOT) for debugging analytics implementations
HTTP Headers
💻Developer
Quickly view HTTP headers for the current page.
Cookie Editor - Cookie Manager
💻Developer
Simple tool to manage cookies! You can delete, import, export, and edit cookies.
MILK — Cookie Manager
💻Developer
Cookie's best friend! Modern cookie manager.
Selection Highlighter
💻Developer
Highlight occurrences of selected text, with or without a keypress.
Colorway: Eyedropper & Color Picker Tool
💻Developer
Eyedropper, color picker, palette creator, and more!
Firelinks URL Shortner
💻Developer
Firelinks service to convert long URLs or Links of websites to short.
Random password generator
💻Developer
A simple random password generator for Chrome browser
Simple Proxy Switcher
💻Developer
Simple Proxy Switcher
Requestly: Intercept & Modify HTT...
💻Developer
Intercept & modify HTTP(S) traffic: redirect URLs, modify headers, inject scripts, mock REST & GraphQL APIs, and more.
Sourcegraph
💻Developer
Connect Sourcegraph to GitHub. Open repos, compare revisions and search code directly from Chrome's Omnibox for faster development.
npmhub
💻Developer
Explore npm dependencies on GitHub repos
Clear Cache
💻Developer
Powerful, user-friendly browser data management, right from your toolbar.
Enhanced GitHub
💻Developer
Display repo size, size of each file, download link and option to copy file contents
Stylus
💻Developer
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
Comparium ultimate cross browser test...
💻Developer
Check how your website looks and works under any operating system, browser and its version.
Easy Cookie Editor
💻Developer
Easy Cookie Editor is a cookie manager. Control your cookies! You can add, delete, edit, and search.
Discrub - Discord Message Manager
💻Developer
Manage, search, and export your Discord messages with ease.
Lighthouse
💻Developer
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Next Experience Developer Tools
💻Developer
Debugging/Profiling tools for your ServiceNow Next Experiences.
vREST - REST API Testing Tool
💻Developer
vREST is an automated REST API Testing Tool. This extension records HTTP requests and their responses in vREST application.
Cookie-Editor
💻Developer
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
The Stream Detector
💻Developer
Detects playlists and subtitles used by streams, incl. custom file extensions and headers. Assembles readymade commands for tools.
IP Address and Domain Information
💻Developer
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
Postman Interceptor
💻Developer
Capture requests from any website and send them to Postman Client.
Window Resizer
💻Developer
Resize the browser window to emulate various screen resolutions.
Eye Dropper
💻Developer
Pick colors from any website.
Seven JSON Viewer
💻Developer
Minimal JSON Viewer with JSON Path
TestMu AI (formerly LambdaTest)
💻Developer
Perform Live Interactive and Automated Cross Browser Testing on 2000+ Real Browsers and Operating Systems
Redirect Path
💻Developer
The HTTP Header & Redirect Checker for SEO
RSS Feed URL Finder
💻Developer
Easily find RSS feed URL of any website
User-Agent Switcher and Manager
💻Developer
Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want
Best Proxy Switcher
💻Developer
Use best proxy switcher with your proxy servers or let it download most recently checked list from our web site FREE for LIFETIME!
Anti-CORS, anti-CSP
💻Developer
Enable cross origin requests blocked by CORS or CSP. Disable CORS and CSP in selected hostnames, preserve security of other websites
Responsive Viewer
💻Developer
Show multiple screens once, Responsive design tester
Google Analytics Debugger
💻Developer
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.
Dimensions
💻Developer
A tool for designers to measure screen dimensions
Do Not Merge WIP for GitHub
💻Developer
You do not merge *WIP* pull request!
X-Forwarded-For Header
💻Developer
This extension allows you quickly to set the X-Forwarded-For HTTP Header
Global Cookie Manager
💻Developer
Cookie Manager with advanced global search, editing and import/export functionality that acts on all browser cookies.
Word Count Checker 2024
💻Developer
Use Word Count Checker Extension to access the count of Characters and words while selecting the text. Download Free Word Counter.
Vue.js devtools
💻Developer
DevTools browser extension for Vue.js
CSS Peeper
💻Developer
Inspect website styles in seconds. Supercharge your workflow, and save hours of work.
CORS Unblock
💻Developer
No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled
Simple Time Tracker
💻Developer
Start tracking it right now with Simple Time Tracker. No need any registration, permissions or unnecessary features.
Agenty - Advanced Web Scraper
💻Developer
Web scraping software with AI to extract data from websites using point-and-click extension to get data from web crawling
BlazeMeter | The Continuous Testing P...
💻Developer
Record Selenium and HTTP traffic to create a load and functional tests in less than 10 minutes (Apache JMeter Compatible).
Awesome Cookie Manager
💻Developer
Displays a list of all Google Chrome cookies. Allows searching, viewing, editing, saving, restoring, and deleting cookies.
MyIP - ip address and location details
💻Developer
This extension displays your public IPv4 address, provider name and some location.
Scraper
💻Developer
Scraper gets data out of web pages and into spreadsheets.
Pesticide
💻Developer
A CSS debugging tool that inserts outlines onto all elements to help with debugging layout issues
Color Picker for Chrome™
💻Developer
HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page
UI Inspector - Visual CSS Editor
💻Developer
Inspect and visually edit elements and their CSS directly on the page for faster design and UI debugging.
Github Code Counter
💻Developer
A Chrome extension to count lines of code in a GitHub repository.
SARS Testing Tools
💻Developer
Generate valid South African tax reference numbers for testing — SA ID, Income Tax, Company Reg, PAYE, UIF, SDL.
IP Address & Geolocation
💻Developer
Shows your IPv4 & IPv6 address and also geolocational informations about your IP addresses.
User Agent Switcher for Google Chrome™
💻Developer
Quickly and easily switch between popular user-agent strings.
Bart Proxy Switcher
💻Developer
Best proxy switcher ever
Tag Assistant
💻Developer
The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
Canvas Blocker - Fingerprint Protect
💻Developer
Prevent HTML canvas element from generating a unique identification key to protect user's privacy
WCAG Color contrast checker
💻Developer
To check the color contrast between foreground and background of the texts
RSS Feed Finder
💻Developer
Retreive/Find RSS feeds from Websites
BP Proxy Switcher
💻Developer
Change your proxies with one click
Cross Domain - CORS
💻Developer
Cross Domain will help you to deal with cross domain - CORS problem. This is tool helpful when face with cross domain issue.
Stark Accessibility Checker
💻Developer
Find and fix compliance issues in record time with automated checks and smart suggestions.
QR Code (Generator and Reader)
💻Developer
Generate QR Code from the url of current page, link or selected text. And decode QR Code in image.
Moesif Origin/CORS Changer & API Logger
💻Developer
Allow cross-domain requests by override Origin and CORS headers. Log/capture XmlHttpRequest API calls for debugging and analytics.
CSS Stacking Context inspector
💻Developer
Helps inspecting the css stacking contexts and solving the z-index war.
LoadFocus Cloud Load Testing
💻Developer
Instant Cloud Load Testing at Scale The LoadFocus Cloud Load Testing Chrome Extension makes it easy to create and run powerful…
gRPC-Web Developer Tools
💻Developer
gRPC-Web Developer Tools for debugging application's gRPC-Web network requests.
Ensighten Developer Tools (Deprecated)
💻Developer
Ensighten Utilities
Cookie Editor and Storage Manager
💻Developer
View, Edit and delete your current tab cookie and storage(Formerly Cookie viewer)
XPath Helper
💻Developer
Extract, edit, and evaluate XPath queries with ease.
Azure App Testing
💻Developer
Record HTTP traffic using Azure App Testing and run on Azure at scale
CWallet
💻Developer
CWallet is a browser extension multi cryptocurrency wallet
Modify Header Value (HTTP Headers)
💻Developer
Add, modify or remove a header for any request on desired domains.
Proxy & User-Agent Switcher for Chrome
💻Developer
The Proxy & User-Agent Switcher for Chrome is an extension that allows you to modify the browser proxy or user-agent while browsing.
CookieManager - Cookie Editor
💻Developer
Edit cookies related to the current page and all its CORS frames right from the popup interface
Cookie Manager
💻Developer
Cookie Manager. Support Edit、Add、Delete and Search Cookie, Export/Import Cookies.
MobX Developer Tools
💻Developer
Dev-tools for MobX and React
ModHeader - Modify HTTP headers
💻Developer
Modify HTTP request headers, response headers, and redirect URLs
GitHub PR Tool
💻Developer
Mark all files as viewed / not viewed in GitHub pull requests.
Adobe Experience Platform Debugger
💻Developer
Debug Adobe Experience Platform and Adobe Experience Cloud products using the Adobe Experience Platform Debugger
Browserling – Cross-browser Testing
💻Developer
Cross-browser test websites in the most popular browsers such as Edge, Chrome, Firefox, Safari, Opera, and IE. Try for free!
Advanced User Agent Switcher
💻Developer
Helps users to change browser user agent string across all websites
Dart Debug Extension
💻Developer
Enables debugging Dart web application using package:dwds. Source code:…
BrowserStack
💻Developer
Instantly test your webpage on any desktop or mobile browser.
Apollo Client Devtools
💻Developer
GraphQL debugging tools for Apollo Client.
API Tester - REST Client Testing Tool
💻Developer
Free REST API Tool, Use it to develop, test, debug RESTful APIs and HTTP request & REST services in Google Chrome Web Store.
Webpage Spell-Check
💻Developer
Instant spell-check on any web page
codereview.gpt
💻Developer
Reviews your Pull Requests using ChatGPT so that you can pretend to work
React Hook Form Developer Tools
💻Developer
React Hook Form developer tools to help debug forms with validation.
Twitch Tools
💻Developer
Move twitch chat to the left side
Quick CSS inspector
💻Developer
This is a Chrome Extension built to inspect the calculated css styles by clicking on the target
CSS Magic Inspector
💻Developer
Edit CSS properties on the fly.
XApi HTTP Client - Api Testing Tool
💻Developer
Intercept, debug & replay HTTP requests. A comprehensive API client with collections and cURL support inside Chrome DevTools.
GitHub Extra Features – Developer Pro...
💻Developer
Enhance GitHub with copy branch button, indent control, whitespace toggle, highlights, and quick file downloads.
GitHub Exporter
💻Developer
Export GitHub Issues to CSV in one click.
GitHub Tools Switcher
💻Developer
Easily switch between GitHub and various developer tools that use GitHub URLs
GitHub PR Comment Tools
💻Developer
Expand hidden GitHub PR comments and optionally resolve or unresolve review threads.
Code Review Guidelines
💻Developer
A browser extension for Chromium based browsers that has a checklist of guidelines for conducting code reviews.
Code Review AI
💻Developer
AI-powered code review assistant for developers
Accessibility Checker
💻Developer
The ultimate website accessibility checker. Scans interactive elements and color contrast. Exports instant HTML/JSON/CSV reports.
HTTP Header Inspector - Response Head...
💻Developer
View HTTP headers, status codes, CORS & security headers without DevTools. Debug API, XHR/fetch requests instantly.
HTTP Headers Inspector
💻Developer
View HTTP request/response headers with status code badge
MerchBridge Amazon Helper
💻Developer
An extension to help you fulfill Amazon orders easier with MerchBridge.
Font & Color Picker Pro
💻Developer
Eyedropper, font inspector, palette scanner, and CSS variable mapping for web designers
Rendered Font Picker
💻Developer
Show you the rendered font for any websites
Angular Component Finder
💻Developer
Inspect Angular component selectors on the current webpage using a side panel developer tool.
Favicon & Icon Downloader
💻Developer
Extract the highest resolution site icon or favicon from any webpage.
GAIA — GST Artificial Intelligence As...
💻Developer
GAIA — Professional GST automation agents. Downloading,Invoices Assist,Filing agents. By SurensInffotek.