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firefox-addon

Firefox Extensions are add-ons that allow users to customize their web browser from Mozilla. They are downloadable through the Firefox Add-on website. Modern extensions follow WebExtension standard and are most often written in HTML, JavaScript, and CSS.

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refined-github

refined-github /refined-github

:octocat: Browser extension that simplifies the GitHub interface and adds useful features

github chrome-extension safari-extension firefox-addon github-extension userstyle browser-extension

UpdatedFeb 20, 2026
TypeScript

darkreader

darkreader /darkreader

Dark Reader Chrome and Firefox extension

chrome-extension firefox-addon accessibility night-mode dark-theme eye-care dark-mode darkmode nightmode

UpdatedFeb 20, 2026
TypeScript

SingleFile

gildas-lormeau /SingleFile

Web Extension for saving a faithful copy of a complete web page in a single HTML file

javascript chrome-extension cli firefox screenshot chrome osint browser firefox-addon annotations snapshot selenium archive archiver self-extracting-zip web-clipper puppeteer auto-save offline-reading self-extracting

UpdatedFeb 18, 2026
JavaScript

daily

dailydotdev /daily

daily.dev is a professional network for developers to learn, collaborate, and grow together 👩🏽‍💻 👨‍💻

chrome-extension search-engine community pwa ai firefox-addon social-network webapp developer-tools developer-portal edge-extension professional-networking

UpdatedFeb 12, 2026

Anarios /return-youtube-dislike

Chrome extension to return youtube dislikes

chrome-extension firefox youtube firefox-addon firefox-extension dislike dislikes dislikes-count dislike-button

UpdatedDec 12, 2025
JavaScript

wong2 /chatgpt-google-extension

This project is deprecated. Check my new project ChatHub:

chrome-extension firefox-addon browser-extension chatgpt

UpdatedAug 14, 2024
TypeScript

ext-saladict

crimx /ext-saladict

🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.

react chrome-extension firefox chrome typescript rxjs extension dictionaries firefox-addon webextension firefox-extension saladict

UpdatedOct 8, 2025
TypeScript

plasmo

PlasmoHQ /plasmo

🧩 The Browser Extension Framework

chrome-extension bundler typescript sdk firefox-addon reactjs parcel browser-extension edge-addon

UpdatedFeb 20, 2026
TypeScript

ChatGPTBox-dev /chatGPTBox

Integrating ChatGPT into your browser deeply, everything you need is here

chrome-extension safari-extension firefox-addon firefox-extension browser-extension edge-extension chatgpt

UpdatedFeb 20, 2026
JavaScript

simpread

Kenshin /simpread

简悦 ( SimpRead ) - 让你瞬间进入沉浸式阅读的扩展

react chrome-extension firefox chrome firefox-addon firefox-extension reader readability reading-list crx

UpdatedSep 16, 2025
JavaScript

pt-plugins /PT-Plugin-Plus

PT 助手 Plus，为 Microsoft Edge、Google Chrome、Firefox 浏览器插件（Web Extensions），主要用于辅助下载 PT 站的种子。

chrome-extension firefox-addon web-extension edge-extension

UpdatedSep 1, 2025
JavaScript

omni

alyssaxuu /omni

The all-in-one tool to supercharge your productivity ⌨️

javascript chrome-extension productivity firefox chrome interface firefox-addon spotlight bookmark history commands bookmarks raycast firefox-extension dark shortcuts bookmarks-manager tabs-management omnisearch

UpdatedJan 11, 2024
JavaScript

floccus

floccusaddon /floccus

☁️ Sync your bookmarks privately across browsers and devices

chrome-extension firefox sync chrome firefox-addon bookmark nextcloud owncloud webdav bookmarks webextension firefox-extension browser-bookmarks edge-extension syncing-bookmarks nextcloud-bookmarks sync-solution

UpdatedFeb 18, 2026
JavaScript

DIYgod /RSSHub-Radar

🧡 Browser extension that simplifies finding and subscribing RSS and RSSHub

chrome-extension rss firefox-addon browser-extension rsshub

UpdatedFeb 11, 2026
TypeScript

HackTools

LasCC /HackTools

The all-in-one browser extension for offensive security professionals 🛠

chrome-extension hack reverse-shell firefox-addon hacking cheatsheet bug-bounty msfvenom payloads metasploit redteam hacktools hackbar purpleteam xss-payloads hackingtools hack-tools web-pentesters

UpdatedJan 5, 2025
TypeScript

chatgpt-advanced

interstellard /chatgpt-advanced

WebChatGPT: A browser extension that augments your ChatGPT prompts with web results.

chrome-extension ai firefox-addon firefox-extension browser-extension chatgpt

UpdatedAug 13, 2024
TypeScript

brookhong /Surfingkeys

Map your keys for web surfing, expand your browser with javascript and keyboard.

vim firefox safari-extension chrome extension firefox-addon chromium edge-extension

UpdatedJan 31, 2026
JavaScript

zxlie /FeHelper

😍FeHelper--Web前端助手（Awesome！Chrome & Firefox & MS-Edge Extension, All in one Toolbox!）

chrome-extension json firefox-addon crontab qrcode microsoft-edge json-format qrcode-generator fehelper qrcode-decoder markdown-html color-transfer web-fehelper image-base64 code-beautify code-compress microsoft-edge-extension chatgpt

UpdatedNov 26, 2025
JavaScript

medium-unlimited

manojVivek /medium-unlimited

A browser extension to read medium.com articles for free without membership.

javascript chrome-extension medium firefox-addon

UpdatedNov 9, 2022
JavaScript

extension.js

extension-js /extension.js

🧩 The cross-browser extension framework

react chrome-extension cli boilerplate typescript vue preact firefox-addon scaffold svelte starter-template webextension cross-browser browser-extension zero-config edge-extension playwright manifest-v3 mv3 safari-web-extension

UpdatedFeb 20, 2026
TypeScript

Created by Mozilla

Released April 4, 2006

Followers: 334 followers
Website: github.com/topics/firefox-extension
Wikipedia: Wikipedia

Related topics

browser firefox mozilla webextension

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