290 Open Source Browser Extension Software Projects
Free and open source browser extension code projects including engines, APIs, generators, and tools.
Gorhill Ublock 22193 ⭐
uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.
Quasarframework Quasar 16499 ⭐
Quasar Framework - Build high-performance VueJS user interfaces in record time
Sindresorhus Refined Github 12719 ⭐
:octocat: Browser extension that simplifies the GitHub interface and adds useful features
Refined Twitter 1262 ⭐
Browser extension that simplifies the Twitter interface and adds useful features
Performance Bookmarklet 982 ⭐
Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
News Feed Eradicator 628 ⭐
A browser extension that deletes your news feed and replaces it with a nice quote
Duckduckgo Privacy Extension 567 ⭐
DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome.
Library Detector For Chrome 536 ⭐
Refined Hacker News 457 ⭐
✨ Hacker News, but refined — Interface tweaks and features to make the HN experience better
Nccgroup Tracy 429 ⭐
A tool designed to assist with finding all sinks and sources of a web application and display these results in a digestible manner.
Dessant Search By Image 362 ⭐
Browser extension for reverse image search, available for Edge, Chrome and Firefox
Webpack Extension Reloader 311 ⭐
A upgrade from 🔥webpack-chrome-extension-reloader🔥, now on all browsers
Xdebug Helper For Chrome 263 ⭐
Easily activate PHP debugging, profiling and tracing with this Xdebug Chrome extension
Extanalysis 313 ⭐
Browser Extension Analysis Framework - Scan, Analyze Chrome, firefox and Brave extensions for vulnerabilities and intels
Hackbrowserdata 541 ⭐
Decrypt passwords/cookies/history/bookmarks from the browser. 一款可全平台运行的浏览器数据导出解密工具。
Netcode.io Browser 238 ⭐
Browser extensions which enable the use of netcode.io (secure UDP) prior to adoption in web browsers
What Hn Says Webext 204 ⭐
Web Extension: Easily find Hacker News discussions about the page you're currently browsing.
Browser Extension Template 210 ⭐
📕 Barebones boilerplate with webpack, options handler and auto-publishing
Rizwansoaib Whatsapp Monitor 174 ⭐
Whatsapp Online Tracker 📲 [Get Notification 🔔 and history 📜 of Online]
Azure Mask 137 ⭐
A browser extension (Chrome, Firefox) that toggles concealment of sensitive information found in the Azure Portal web page such as Subscription Id's
Brandon1024 Find 128 ⭐
A find-in-page extension for Chrome and Firefox that supports regular expressions.
Synology Download Manager 112 ⭐
An open source browser extension for adding/managing download tasks to your Synology DiskStation.
Ccsearch Browser Extension 81 ⭐
Cross-Browser extension to search, filter and use images in the public domain and under Creative Commons licenses.
Container Tabs Sidebar 76 ⭐
Firefox addon aiming to utilize screen estate more efficiently by showing tabs in a sidebar grouped by privacy containers. Inspired by TreeStyleTab.
Default Bookmark Folder 74 ⭐
WebExtension allowing you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
Palant Pfp 72 ⭐
Manage your passwords easily and securely, via browser extension for Firefox, Chrome, Opera
Save To The Wayback Machine 63 ⭐
Browser extension for quickly saving web pages to the Internet Archive's Wayback Machine.
Hubnav 65 ⭐
A Chrome extension for navigating github.com via keyboard shortcuts. Quickly access issues for multiple repos, as well as your org's pages.
Igniterealtime Pade 65 ⭐
Pàdé (Yoruba word for Meet) is a browser extension (Chrome/Edge) based unified communications desktop client for Openfire.
Youtube Better Subscriptions 57 ⭐
This extension for Firefox and Chrome aims to make navigating YouTube's subscription grid easier by allowing users to hide watched videos
Boundary 51 ⭐
Crm Power Pane 50 ⭐
The CRM Power Pane is a helper tool designed to integrate with Microsoft Dynamics CRM application and allow you to manipulate forms or perform actions faster throughout the Microsoft Dynamics CRM application .
Tabs Aside 49 ⭐
A session/tab manager web extension for Firefox based on the Microsoft Edge feature.
Turnoff Namuwiki 54 ⭐
조별과제 때마다 "나무위키 꺼라."라고 말하시는게 피곤하신 여러분을 위해 만들어진 Browser Extension, 나무위키를 꺼 드립니다.
Twitter Links Beta 48 ⭐
A browser extension to show the latest tweets that link to the current page.
Hybridtvviewer 48 ⭐
[WIP] Web extension making Firefox & Chrome emulate iTV webpages instead of downloading them.
Copy As Markdown 46 ⭐
🖱 Browser extension to copy hyperlinks, images, and selected text as Markdown with GFM support
Stumbleuponawesome 55 ⭐
⚡️A browser extension that takes you to a random site from one of the awesome curated lists. Like good ol' StumbleUpon, for developers, tech & science lovers.
Glotdict 40 ⭐
This extension for WordPress polyglots implements new features to improve the quality of translation/reviews!
Github Subscribed 38 ⭐
Chrome extension that keeps track of your subscription and show them on Github
React Browser Extension Boilerplate 44 ⭐
🎉 React / Preact X browser extension boilerplate for the most popular browsers (Chrome, Firefox, Opera, new Edge and other Chromium-based browsers)
Iann0036 Wildfire 39 ⭐
Record browser actions then replay immediately. Craft your own custom automation workflows.
Nandwana92 Zet 37 ⭐
⚡️Browser extension that adds a quick access menu to Chrome to get things done faster.
Github User Rank Extension 37 ⭐
Your Github fame is getting closer with every open-source project you've built and promoted, with every new follower starring, using and forking your solution. This extension supplements every Github developer profile with language bars that show how far they've advanced on their road to the glory among %that_programming_language% community members.
Gitlab Notify Extension 36 ⭐
🦊 Gitlab Browser Extension (Chrome & Firefox). Don't miss any Gitlab Merge Requests and rocket up your productivity.
Code Medium 35 ⭐
Browser extension that simplifies writing code in Medium posts. Quickly create and edit Github Gists without leaving the editor
Sigtools 33 ⭐
📆 Sigarra Tools | An extension that makes the information system of the University of Porto slightly better.
Coronatab 34 ⭐
Free & Open source platform for COVID19 data. Dashboard - REST API - Browser Extension - Localised 🦠 😷
Reaction Packs 33 ⭐
Browser extensions to swap out Facebook's reactions for something a little more fun.
Checkmyhttps 34 ⭐
We propose a user-friendly add-on that allows you to check if your encrypted web traffic (SSL/TLS) towards secured Internet servers (HTTPS) is not intercepted (being listened to).
Csgo Trader Extension 33 ⭐
CSGO Trader Browser Extension to help with CS:GO item trading, marketing and much more
Splitup 33 ⭐
✨ SplitUp! is a browser extension allows a user to split tabs into a different window, save session, export tabs, supports multiple screens, dark mode etc. ✨
Mastodon Simplified Federation 30 ⭐
Simplifies following and interacting with remote users on other Mastodon instances.
Youtube Watchmarker 30 ⭐
a browser extension that keeps track of your YouTube watch history and marks videos that you have already watched
Ultrawideo 35 ⭐
Upscale or stretch any video on the web, to make it look great on UltraWide screens.
Hslu Simple Mep Results 26 ⭐
:bar_chart: A browser add-on that adds essential features to the HSLU MyCampus website
Cookie Glasses 28 ⭐
This browser extension shows you whether consent registered by cookie banners of IAB Europe's Transparency & Consent Framework corresponds to your choice
Autopatchwork Mod 26 ⭐
Chrome/Firefox/Opera extension for auto-appending following paginated pages to the current on scroll
Fartattack 25 ⭐
🍑💨 Google Chrome extensions that make every link and button in all opened webpage in the browser make a fart sound when clicked or hovered over
Youtube Rss Finder 23 ⭐
WebExtension helping you find the RSS feed of a YouTube channel or playlist.
Refined Prime Video 23 ⭐
🍿 A browser extension that adds small tweaks and useful new features to Amazon Prime Video
Link Fixer 24 ⭐
Restores consistent ctrl+click, shift+click, cmd+click and middle-click behaviour when clicking links.
Photoshow 26 ⭐
PhotoShow is a browser extension helping you view high-definition images by hovering your mouse on image thumbnails, saving you time and improving the productivity.
Website Dark Mode Switcher 22 ⭐
This is a (Firefox) add-on (WebExtension) that lets you invert the website's color scheme by inverting/changing the prefers-color-scheme media feature of CSS.
Notifier For Udacity Reviewer 22 ⭐
:loudspeaker: Notifier for Udacity Reviewer - Extension for modern browsers
Qubes Url Redirector 21 ⭐
This browser extension, designed for Qubes OS, blocks and/or redirects non whitelisted URLs to another qube of your choice.
Metric Cooking 23 ⭐
Browser script that annotates US cooking units with their metric equivalent (e.g. 1 3/4 cups sugar [350 g])
Youtubepopoutplayer 21 ⭐
This browser extension provides a simple way to open any YouTube video or playlist (including videos and playlists embedded in other sites/pages) in a configurable "popout" window which you can freely position and resize.
Asciinema Player For Github 20 ⭐
🎬✨ Browser extension to automatically detect asciinema links in a project's README and embed the asciinema player in its place
Omnibang 20 ⭐
Browser extension for searching many sites directly from address bar using bangs provided by DuckDuckGo.
Awesome Browser Containers 21 ⭐
Curated list of awesome browser extensions that protect your privacy
Octotab.crx 17 ⭐
⚒ (I'm dead) A super tiny chrome extension making your Github news feed more organized.
Togglific 16 ⭐
Do you find web animations distracting? Togglific provides a distraction-free web experience!
Awesome Extension APIs 16 ⭐
Awesome cross-extension APIs that enable browser extensions to integrate with each other.
Cazadescuentos 24 ⭐
A platform to catch price drops while shopping online, powered by a browser extension, webapp, android app, and more
Send2cgeo 17 ⭐
Script for Mozilla Firefox and Google Chrome browser to send geocaches directly from your browser to c:geo on your phone.
Trpl Redirect 16 ⭐
Browser extension to correctly redirect links to the outdated "The Rust Programming Language" book, 2nd edition, to the right pages on the latest edition.
Extension Cli 16 ⭐
Command line tool for building browser extensions fast and in a standardized way.
Goodbye Rfc 2822 Date Time 14 ⭐
I hate the date and time notation method like RFC 2822. This extension converts time notation to native language as much as possible.
Stylish Hub 15 ⭐
:tropical_drink: A browser extension that brings new GitHub features and experience.
Icinga Multi Status 14 ⭐
Icinga Multi Status helps you monitoring your (multiple or single) Icinga instances with comfortable alert badges and notifications about problems right within your web browser.
Yourautoliker 15 ⭐
Browser extension that automatically likes or dislikes Youtube videos from selected channels.
Schoologyplus 24 ⭐
A web extension that enhances your Schoology experience with numerous interface improvements
Mrwolf 14 ⭐
Browser extension and Web App made with React & Emotion for helping you sync timezones across the globe. Available for Firefox, Chrome & Edge.
Focustube 14 ⭐
Firefox WebExtension for watching your YouTube videos while scrolling down the comment section
Quickshift Redux 13 ⭐
:left_right_arrow: Easily and quickly rearrange Chrome tabs with keyboard shortcuts
Duo Strength 13 ⭐
Browser extension to add back the strength for each individual skill, and other useful hidden statistics.
Edge Contextmenusearch 13 ⭐
Extension for MS Edge browser to provide search option in context menu for selected text
Geolocate Ip Browser Extension 14 ⭐
A browser extension, which shows you the origin of your IP address.
Ytmysubs 12 ⭐
Sets the Subscriptions page as your default homepage on YouTube by redirecting all requests at the browser level
Sfcc Devtools 13 ⭐
Support Browser Interaction with VS Code, Eclipse, and SFCC Business Manager via DevTools Web Inspector.
Mediaplus 11 ⭐
MediaPlus is an extension that makes media content like flash movies, games, images or HMLT5 movies more usable on websites.
Follows You Github 11 ⭐
A simple browser extension that shows a label to indicate that some user follows you on GitHub
Night Video Tuner 13 ⭐
:clapper: Browser extension that allows adjusting temperature and other properties of videos on Chrome and Firefox.
Liorgrossman Chrome Extension Boilerplate 11 ⭐
Chrome Extension boilerplate that automatically reloads content scripts and CSS
Tab Slider 10 ⭐
A Chrome/Opera/Firefox extension which just slides most recent tabs to the left, creating totally different browsing experience.
Dstein64 Highlight 10 ⭐
📄 A browser extension for automatically highlighting the important content on article pages.
Data Transport 18 ⭐
A generic and responsible communication transporter(iframe/Broadcast/Web Worker/Service Worker/Shared Worker/Browser Extension/WebRTC/Electron, etc.)
Security.txt 10 ⭐
ℹ️ Cross-platform browser extension for discovering security.txt and humans.txt files.
Save My Tabs 11 ⭐
Open source browser extension/addon to save all open tabs to a folder in the Bookmarks Toolbar