Developer

Lighthouse

💻Developer

Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.

Octotree - GitHub code tree

💻Developer

GitHub on steroids

Requestly: Intercept & Modify HTT...

💻Developer

Intercept & modify HTTP(S) traffic: redirect URLs, modify headers, inject scripts, mock REST & GraphQL APIs, and more.

Refined GitHub

💻Developer

Simplifies the GitHub interface and adds useful features

Postman Interceptor

💻Developer

Capture requests from any website and send them to Postman Client.

ModHeader - Modify HTTP headers

💻Developer

Modify HTTP request headers, response headers, and redirect URLs

Vue.js devtools

💻Developer

DevTools browser extension for Vue.js

Similarweb - Website Traffic, AI Traf...

💻Developer

Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.

Window Resizer

💻Developer

Resize the browser window to emulate various screen resolutions.

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.

Tag Assistant

💻Developer

The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

XPath Helper

💻Developer

Extract, edit, and evaluate XPath queries with ease.

CSS Peeper

💻Developer

Inspect website styles in seconds. Supercharge your workflow, and save hours of work.

Eye Dropper

💻Developer

Pick colors from any website.

Scraper

💻Developer

Scraper gets data out of web pages and into spreadsheets.

Talend API Tester - Free Edition

💻Developer

Visually interact with REST, SOAP and HTTP APIs.

webhint

💻Developer

Quickly test your website to see if there are any issues with accessibility, browser compatibility, security, performance and more.

Pesticide

💻Developer

A CSS debugging tool that inserts outlines onto all elements to help with debugging layout issues

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...

Dimensions

💻Developer

A tool for designers to measure screen dimensions

Sourcegraph

💻Developer

Connect Sourcegraph to GitHub. Open repos, compare revisions and search code directly from Chrome's Omnibox for faster development.

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.

npmhub

💻Developer

Explore npm dependencies on GitHub repos

GitHub Hovercard

💻Developer

Neat hovercards for GitHub.

GitHub Isometric Contributions

💻Developer

Renders an isometric pixel view of GitHub contribution graphs.

Apollo Client Devtools

💻Developer

GraphQL debugging tools for Apollo Client.

Canvas Blocker - Fingerprint Protect

💻Developer

Prevent HTML canvas element from generating a unique identification key to protect user's privacy

Do Not Merge WIP for GitHub

💻Developer

You do not merge *WIP* pull request!

Clear Cache

💻Developer

Powerful, user-friendly browser data management, right from your toolbar.

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.

CORS Unblock

💻Developer

No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled

WCAG Color contrast checker

💻Developer

To check the color contrast between foreground and background of the texts

Enhanced GitHub

💻Developer

Display repo size, size of each file, download link and option to copy file contents

CWallet

💻Developer

CWallet is a browser extension multi cryptocurrency wallet

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.

taba11y - Tab order accessibility tes...

💻Developer

Visualise tab order with ease

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.

Stylus

💻Developer

Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.

Simple Time Tracker

💻Developer

Start tracking it right now with Simple Time Tracker. No need any registration, permissions or unnecessary features.

gRPC-Web Developer Tools

💻Developer

gRPC-Web Developer Tools for debugging application's gRPC-Web network requests.

Preact Developer Tools

💻Developer

Adds debugging tools for Preact to Chrome

Ensighten Developer Tools (Deprecated)

💻Developer

Ensighten Utilities

Lexical Developer Tools

💻Developer

Adds Lexical debugging tools to the Chrome Developer Tools.

Next Experience Developer Tools

💻Developer

Debugging/Profiling tools for your ServiceNow Next Experiences.

MobX Developer Tools

💻Developer

Dev-tools for MobX and React

React Hook Form Developer Tools

💻Developer

React Hook Form developer tools to help debug forms with validation.

Color Picker for Chrome™

💻Developer

HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page

Quick CSS inspector

💻Developer

This is a Chrome Extension built to inspect the calculated css styles by clicking on the target

UI Inspector - Visual CSS Editor

💻Developer

Inspect and visually edit elements and their CSS directly on the page for faster design and UI debugging.

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 Magic Inspector

💻Developer

Edit CSS properties on the fly.

CSS Inspector Pro

💻Developer

Beautiful CSS, HTML & Style Inspector with copy functionality

CSS Stacking Context inspector

💻Developer

Helps inspecting the css stacking contexts and solving the z-index war.

Functional JSON viewer

💻Developer

Modern JSON formatter and explorer.

Seven JSON Viewer

💻Developer

Minimal JSON Viewer with JSON Path

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…

Just JSON Viewer

💻Developer

View nicely formatted and highlighted JSON files. No special permissions. No signup. No ads. No tracking.

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.

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

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.

Boomerang - SOAP & REST Client

💻Developer

Seamlessly integrate and test SOAP & REST services.

XApi HTTP Client - Api Testing Tool

💻Developer

Intercept, debug & replay HTTP requests. A comprehensive API client with collections and cURL support inside Chrome DevTools.

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

Mockiato — Free API Testing & Mocking...

💻Developer

Chrome extension to intercept requests, create real-time mocks, and auto-insert headers for web development & testing API.

Web Scraper

💻Developer

Scrape website in seconds with our web scraper tool.Easy-to-use,fast,and free interface for hassle-free scraping

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

Hackertab – Dev News & GitHub in New Tab

💻Developer

Developer news from GitHub Trending, Hacker News, and more, all in your new tab.

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 Code Counter

💻Developer

A Chrome extension to count lines of code in a GitHub repository.

GitHub PR Comment Tools

💻Developer

Expand hidden GitHub PR comments and optionally resolve or unresolve review threads.

GitHub PR Tool

💻Developer

Mark all files as viewed / not viewed in GitHub pull requests.

Code Review Guidelines

💻Developer

A browser extension for Chromium based browsers that has a checklist of guidelines for conducting code reviews.

codereview.gpt

💻Developer

Reviews your Pull Requests using ChatGPT so that you can pretend to work

ThinkReview: AI Code Review for GitLa...

💻Developer

AI Copilot & AI Code Reviews for GitLab, GitHub, Bitbucket and Azure DevOps PRs - Ollama and OpenRouter support

Code Review AI

💻Developer

AI-powered code review assistant for developers

Vibinex Code Review

💻Developer

Personalization and context for pull requests on GitHub & Bitbucket

Codecode Review for GitLab

💻Developer

Adds more features to GitLab code reviews

BitBucket Code Review Bot

💻Developer

Update the openai key and prompt in the extension popup and click the scar pr review button

Qodo Merge: AI-Powered Code Reviews &...

💻Developer

Chat with your GitHub pull request code, and get AI-powered reviews, descriptions, and code suggestions

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.

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.

Website SEO Checker

💻Developer

Get free on-page SEO report by 100+ parameters with the best website SEO checker

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…

SpeedMate: Speed Test & Internet Conn...

💻Developer

HubbleIQ SpeedTest: Powerful Internet & WiFi Performance Monitoring

Bug Matrix 🐞 – SQA Testing Tools Hub

💻Developer

A comprehensive browser extension for testers with tools for testing, test data generation, security payloads, and more.

Site Speed by DebugBear

💻Developer

View Web Vitals metrics for the websites you visit and quickly navigate to external web performance testing tools.

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).

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.

Azure App Testing

💻Developer

Record HTTP traffic using Azure App Testing and run on Azure at scale

Kameleoon Debug Assistant

💻Developer

Instantly see live experiments, feature flags, and personalization campaigns on your site and verify everything is firing correctly.

Anti Anti Debug

💻Developer

Be able to use developer tools again

Dart Debug Extension

💻Developer

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

Pesticide - Advanced CSS Debugger

💻Developer

Not only inserts outlines (without background color) on all elements, but also inspects size and layout. CSS is awesome!

Analytics Debugger

💻Developer

Your Single Source of Truth (SSOT) for debugging analytics implementations

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

Adobe Experience Platform Debugger

💻Developer

Debug Adobe Experience Platform and Adobe Experience Cloud products using the Adobe Experience Platform Debugger

Odoo Debug

💻Developer

Minimal and fast extension to toggle debug mode of Odoo

Comparium ultimate cross browser test...

💻Developer

Check how your website looks and works under any operating system, browser and its version.

Opkey Browser Extension

💻Developer

Enhance your test management, bug reporting, and issue tracking with Opkey’s new easy-to-use QLM Browser extension.

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!

Testing Toolkit: 15+ Essential Manual...

💻Developer

Redefine manual testing with best-in-class tools, supercharged with AI. JSON Formatter, Cache Manager, Responsive testing & more

BrowserStack

💻Developer

Instantly test your webpage on any desktop or mobile browser.

BugBug Automation Testing

💻Developer

Automate your website testing without code. An easy alternative to Selenium, Cypress and Katalon.

TestMu AI (formerly LambdaTest)

💻Developer

Perform Live Interactive and Automated Cross Browser Testing on 2000+ Real Browsers and Operating Systems

Datadog test recorder

💻Developer

Record end-to-end tests in your browser.

IBM Equal Access Accessibility Checker

💻Developer

A web browser extension for checking accessibility issues

Accessibility Checker

💻Developer

The ultimate website accessibility checker. Scans interactive elements and color contrast. Exports instant HTML/JSON/CSV reports.

Stark Accessibility Checker

💻Developer

Find and fix compliance issues in record time with automated checks and smart suggestions.

Modify Header Value (HTTP Headers)

💻Developer

Add, modify or remove a header for any request on desired domains.

HTTP Header Spy

💻Developer

Shows HTTP headers and site IP for current page

HTTP Headers

💻Developer

Quickly view HTTP headers for the 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.

X-Forwarded-For Header

💻Developer

This extension allows you quickly to set the X-Forwarded-For HTTP Header

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

Cookie Editor - Cookie Manager

💻Developer

Simple tool to manage cookies! You can delete, import, export, and edit cookies.

CookieManager - Cookie Editor

💻Developer

Edit cookies related to the current page and all its CORS frames right from the popup interface

Cookie Manager Pro

💻Developer

View, edit, delete, export, and manage cookies with one click. Save cookie profiles, monitor changes, and protect cookies.

Cookie-Editor

💻Developer

Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.

Global Cookie Manager

💻Developer

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

Easy Cookie Editor

💻Developer

Easy Cookie Editor is a cookie manager. Control your cookies! You can add, delete, edit, and search.

Awesome Cookie Manager

💻Developer

Displays a list of all Google Chrome cookies. Allows searching, viewing, editing, saving, restoring, and deleting cookies.

MILK — Cookie Manager

💻Developer

Cookie's best friend! Modern cookie manager.

Cookie Editor and Storage Manager

💻Developer

View, Edit and delete your current tab cookie and storage(Formerly Cookie viewer)

Cookie Manager

💻Developer

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

Link Redirect Trace

💻Developer

The all-in-one redirect path analyzer. It also analyzes protocol headers, REL-canonicals, robots.txt, backlink power, and trust!

Redirect Path

💻Developer

The HTTP Header & Redirect Checker for SEO

Amazon Q Developer | GitHub issue helper

💻Developer

Quickly assign GitHub issues to Amazon Q Developer - your AI assistant for code generation.

MerchBridge Amazon Helper

💻Developer

An extension to help you fulfill Amazon orders easier with MerchBridge.

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!

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

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.

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.

The Stream Detector

💻Developer

Detects playlists and subtitles used by streams, incl. custom file extensions and headers. Assembles readymade commands for tools.

Twitch Tools

💻Developer

Move twitch chat to the left side

SARS Testing Tools

💻Developer

Generate valid South African tax reference numbers for testing — SA ID, Income Tax, Company Reg, PAYE, UIF, SDL.

Webpage Spell-Check

💻Developer

Instant spell-check on any web page

SQA Spell Check

💻Developer

QA extension to detect spelling mistakes in visible text on web pages.

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.

Firelinks URL Shortner

💻Developer

Firelinks service to convert long URLs or Links of websites to short.

What Is My IP address On Chrome

💻Developer

Shows your public IP and basic location / ISP / timezone info.

IP Address and Domain Information

💻Developer

The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.

MyIP - ip address and location details

💻Developer

This extension displays your public IPv4 address, provider name and some location.

IP Address & Geolocation

💻Developer

Shows your IPv4 & IPv6 address and also geolocational informations about your IP addresses.

Random password generator

💻Developer

A simple random password generator for Chrome browser

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.

GAIA — GST Artificial Intelligence As...

💻Developer

GAIA — Professional GST automation agents. Downloading,Invoices Assist,Filing agents. By SurensInffotek.

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)

RSS Feed Finder

💻Developer

Retreive/Find RSS feeds from Websites

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

User Agent Switcher for Google Chrome™

💻Developer

Quickly and easily switch between popular user-agent strings.

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.

Advanced User Agent Switcher

💻Developer

Helps users to change browser user agent string across all websites

BP Proxy Switcher

💻Developer

Change your proxies with one click

Bart Proxy Switcher

💻Developer

Best proxy switcher ever

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!

Simple Proxy Switcher

💻Developer

Simple Proxy Switcher

Restfox CORS Helper

💻Developer

Help bypass CORS when making requests from Restfox

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

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.

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.

Discrub - Discord Message Manager

💻Developer

Manage, search, and export your Discord messages with ease.

MS Teams Video & Transcript Downloader

💻Developer

Download MS Teams meeting videos and transcripts. Multiple formats (JSON, VTT, Grouped). In-browser.

Zukeeper: Devtools for Zustand

💻Developer

Devtools for Zustand, in Zustand