Firefox
Firefox is a free and open source web browser developed by Mozilla Foundation. First released in 2002 under the name Phoenix. It’s available for most operating systems including Windows, macOS, Linux and most phones and tablets.
- GitHub: https://github.com/topics/firefox
- Wikipedia: https://en.wikipedia.org/wiki/Firefox
- Repo: https://github.com/mozilla/gecko-dev
- Created by: Mozilla
- Released: September 23, 2002
- Related Topics: mozilla, chrome, safari, edge, opera, browser, gecko, firefox-extension,
- Aliases: mozilla-firefox, firefox-quantum, firefox-browser,
- Last updated: 2026-06-26 00:07:35 UTC
- JSON Representation
https://github.com/robmcelhinney/open-firefox-urls-chrome
Windows utility to get URLs currently open in Firefox and open them in Chrome.
Last synced: 14 Apr 2026
https://github.com/kaihendry/webscreenshot
Take a screenshot of a Webpage and upload to S3 bucket
Last synced: 29 Mar 2025
https://github.com/dusanvin/magentasport-videoplayer-shortcuts
Tampermonkey-Userscript for NBA-style J/L/U/O/Space Keyboard-Shortcuts for the MagentaSport Player. Tested with Mozilla Firefox.
basketball firefox keyboard-shortcuts magentasport nba shortcuts tampermonkey tampermonkey-userscript video video-player videoplayer
Last synced: 18 May 2026
https://github.com/aarrwnh/tab-mover-alternative
Heavily modified fork of 'Tab Mover' addon by Guido Berhoerster.
addon firefox svelte tabs typescript webextension
Last synced: 18 May 2026
https://github.com/randomgamingdev/yt-transcript-downloader
A Firefox Extension that allows you to download the Transcripts of Youtube Videos as JSONs
addon captions download-transcripts downloader extension firefox firefox-addon firefox-extension javascript recorder simple small transcript transcript-data transcript-downloader youtube youtube-api youtube-scraper youtube-scrapping
Last synced: 28 Dec 2025
https://github.com/codlocker/activity-manager
Addon For Managing User Browsing. STATUS: Partially Complete, Stable
activity addons-mozilla-org firefox
Last synced: 12 Aug 2025
https://github.com/irismessage/ccc_client
Cookie Clicker Cloud save backup client by timia2109
browser-extension chrome cookie-clicker extension firefox
Last synced: 14 May 2026
https://github.com/marianoguerra/immutablejs-devtools-formatter-lib
immutablejs formatters for firefox and chrome you can load in your projects, no extension required
chrome devtools firefox formatter immutablejs
Last synced: 20 Apr 2026
https://github.com/gil9red/filling_checkout_pizzagold
Filling checkout pizzagold (#firefox #addon)
browser-extension firefox firefox-addon firefox-extension
Last synced: 12 Oct 2025
https://github.com/eric15342335/firefox-bookmark-invalidation
Filter and display invalid websites URL from the firefox bookmark json file.
bookmark cloudscraper colorama concurrent-futures firefox json python requests tqdm
Last synced: 19 Jan 2026
https://github.com/clach04/linkedimagedownloader_en
English translation of linkedimagedownloader (linked image downloader save images) extension for Mozilla FireFox. Based on linkedimagedownloader-0.03beta-fx.xpi
chrome chrome-extension chromium download downloader firefox firefox-addon firefox-extension gif image jpg png webextension
Last synced: 07 Apr 2026
https://github.com/etircopyh/fox-hax
Firefox Browser hacks and tweaks
appearance configuration firefox interface styling userjs
Last synced: 18 May 2026
https://github.com/tomudding/contain-everything
This Firefox add-on isolates your *Popular Company's website(s)* activity from the rest of your web activity in order to prevent *Popular Company* from tracking you outside of the *Popular Company's website(s)* via third party cookies.
amazon-container facebook-container firefox firefox-addon firefox-containers google-container microsoft-container reddit-container twitter-container
Last synced: 13 Mar 2026
https://github.com/ironcore864/amazon-eu-price-compare-ff
amazon browser firefox frontend plugin react-redux
Last synced: 07 Mar 2026
https://github.com/georapbox/dark-ocean-theme-webextension
A dark bluish theme for Firefox, similar to the original dark theme of Firefox Developer Edition.
dark-theme firefox firefox-extension theme web-extension
Last synced: 21 Feb 2026
https://github.com/georapbox/deep-purple-theme-webextension
A dark purplish theme for Firefox
dark-theme firefox firefox-extension theme web-extension
Last synced: 19 Jan 2026
https://github.com/praneethravuri/ask-referral
extension firefox indeed javascript jobs linkedin referral
Last synced: 21 Mar 2025
https://github.com/livelace/webchela
webchela ("web" + "chela") is a daemon for interacting with web pages through automated browsers (Chrome or Firefox).
chrome daemon firefox grpc selenium tigervnc web-scraping
Last synced: 14 Apr 2026
https://github.com/vansteen/faves-on-tabs
A Firefox Extension that displays some selected bookmarks on a New Tab. 🦊
firefox firefox-addon firefox-extension
Last synced: 17 Feb 2026
https://github.com/nsatri55/yandex-images-parser
🖼️ Parse and download images and videos from Yandex Images search with this high-performance C library, featuring batch and multi-threaded downloads.
c downloader firefox firefox-esr gcc gecko google-image-search html image image-python parsing-library python-parser search selenium yandex-api yandex-image-parser yandex-images yandex-parsing
Last synced: 12 May 2026
https://github.com/andressakarla/testes-automatizados-e2e-locaweb_cypress
Projeto de Testes Automatizados E2E (Ponta a Ponta) desenvolvido para um desafio técnico de QA sobre "Identificar cenários positivos e negativos, comportamentos esperados e relevantes, para garantir e controlar o e2e da funcionalidade de "Registro de domínio web"" do site Locaweb em Cypress e Javascript na ferramenta GitHub Actions
chrome cypress e2e-tests firefox fixtures gherkin github-actions github-workflows javascript json linux-ubuntu windows-10
Last synced: 11 Apr 2026
https://github.com/remino/firefox-style
Firefox styling for the browser and dev tools
Last synced: 14 Oct 2025
https://github.com/kashav/vim-searchfox
Use Searchfox (https://searchfox.org) directly from Vim.
Last synced: 23 Aug 2025
https://github.com/laedit/the-old-reader-bookmark
The Old Reader Bookmark addin for Firefox
bookmark firefox the-old-reader typescript webextension
Last synced: 16 Oct 2025
https://github.com/codesign-cloud/cdc-browser-plugin-starterkit
Starterkit with Preact and Tailwind for Chrome/Firefox/Edge/Tor and compatible Browser Plugins/Add-Ons
browser-addon browser-extension chrome chrome-extension edge edge-extension firefox firefox-addon plugin tor tor-browser
Last synced: 20 Apr 2026
https://github.com/spaceshaman/dark
Step into the dark side of the force and discover the secrets of the universe without the risk of eye damage!
alacritty alacritty-colorscheme alacritty-config alacritty-theme firefox firefox-theme obsidian obsidian-theme thunderbird thunderbird-theme vscode vscode-theme
Last synced: 05 Apr 2025
https://github.com/thenolle/firefox-2fa-sidebar
A secure, local-only TOTP generator in your Firefox sidebar.
extension firefox firefox-addon firefox-extension nolly totp
Last synced: 12 Oct 2025
https://github.com/vallek/firefox-omni-no-oneoffs
Disables search buttons (aka one offs) from Firefox urlbar (aka omnibar)
Last synced: 17 Oct 2025
https://github.com/naseem1amjad/urdubar
Urdubar is webbrowser extension for writing Urdu / Arabic in web page.
addon arabic chrome-extension edge extension firefox online urdu web
Last synced: 21 Apr 2026
https://github.com/f33rni/chromium-to-mozilla-cookies
Simple yt-dlp code based zero-dependency script that converts and decrypts cookies from chromium-based browser for importing into Mozilla's firefox-based browsers
brave chrome chromium cookie-decryptor cookie-parser cookies decryptor exporter firefox importer mozilla mozilla-firefox parser
Last synced: 07 May 2026
https://github.com/gramian/chicken-index
A CHICKEN Scheme symbol index
chicken-scheme firefox json scheme
Last synced: 20 Jul 2025
https://github.com/mimvoid/panefox
a little firefox css
firefox firefox-css firefox-theme
Last synced: 03 Apr 2025
https://github.com/2zqa/tab-shortcuts
Keyboard shortcuts for managing tabs.
firefox shortcuts webextension
Last synced: 18 Oct 2025
https://github.com/cmdwtf/send2prowl2
A browser extension that provides a quick and easy way to send a webpage to Prowl (https://www.prowlapp.com).
browser-extension firefox firefox-addon prowl-notifications prowlapp
Last synced: 01 Jun 2026
https://github.com/heimdallrj/firefox-lookup
Dictionary Lookup Add-on for Firefox
browser-extension dictionary firefox word-lookup
Last synced: 03 Mar 2025
https://github.com/jollysleeper/priconf
🌐 Web Extension for managing your configs for alternate frontends.
firefox firefox-addon firefox-extension javascript
Last synced: 28 Mar 2025
https://github.com/xgqt/chrome
userChrome.css and userContent.css for Firefox (mirror)
Last synced: 05 Apr 2025
https://github.com/kastorcode/kastorcode-purple-theme-firefox
This is a purple Mozilla Firefox theme of my personal brand as a developer.
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Last synced: 21 Mar 2025
https://github.com/kastorcode/kastorcode-orange-theme-firefox
This is an orange Mozilla Firefox theme of my personal brand as a developer.
addon beaver brazil castor color-theme extension firefox goiania goias json kastor kastorcode matheus mozilla oliveira orange ramalho theme xpi zip
Last synced: 21 Mar 2025
https://github.com/rajatt95/tutorial_yt_rajat_designpattern_pom_cypress_js
This repository contains a Tutorial for Page Object Model (POM) design pattern implementation using Cypress and Javascript for automated testing of applications.
chrome cypress edge electron firefox javascript nodejs page-object-model vscode
Last synced: 06 May 2026
https://github.com/dimithrandir/oixs
Open in X seconds - a browser extension for opening links with a delay
addon chrome chrome-extension chromium extension firefox firefox-extension webextension
Last synced: 17 Feb 2026
https://github.com/sams96/bookmark-feeder
Firefox bookmarks -> atom feed
bookmarks firefox rss self-hosting
Last synced: 23 Jan 2026
https://github.com/kenlimmj/user-overrides.js
Custom user-overrides.js for Firefox, meant to work with ghacks-user.js
Last synced: 14 May 2026
https://github.com/karllasouza/test-automation
Test automation to Web
chromedriver cucumber firefox geckodriver gherkin java selenium selenium-java selenium-webdriver
Last synced: 27 Jan 2026
https://github.com/alex-stout/projectionlab-account-sync
Syncs account balances to ProjectionLab for progress tracking
browser-extension chrome-extension finance firefox projectionlab wxt
Last synced: 06 May 2026
https://github.com/brycedorn/colorlovin
Import one of over 4,577,158 user-created color palettes to colorize your browser
colourlovers firefox firefox-color
Last synced: 20 Jun 2025
https://github.com/naseem1amjad/bionify-firefox-extension-source-code
Bionify (Easy Reading on Web) Firefox extension / addon source code
firefox firefox-addon sourcecode
Last synced: 20 Jun 2025
https://github.com/robinboers/frontend-delight-firefox
Simple dark theme with orange accents for Firefox
Last synced: 24 Jan 2026
https://github.com/indirivacua/SIGEVA-JSON
Extensión de navegador para cargar automáticamente trabajos científicos en SIGEVA a partir de un bibtex.
bibtex chrome chrome-extension conicet cvar extension firefox firefox-extension sigeva unlp
Last synced: 26 Oct 2025
https://github.com/daaku/unblock-paste
Add-On to unblock pasting in Firefox.
Last synced: 26 Oct 2025
https://github.com/alhadis/mozilla-profile-tools
Wrapper for building CLI utilities with niche functions related to Mozilla profile directory management.
firefox firefox-profile firefox-profiles lz4 mozilla mozlz4 user-profile user-profiles
Last synced: 26 Oct 2025
https://github.com/smcnikita/firefox-themes
A collection of vibrant color themes for your Firefox browser.
firefox firefox-theme theme themes
Last synced: 28 Mar 2025
https://github.com/zebbern/firefox-tempmail-extention
Firefox Extension | To generate and manage temp emails using multiple providers. Designed to help you create, view, and copy temp-mail addresses without losing access mid-session.
firefox firefox-addon firefox-browser firefox-extension firefox-extensions firefox-webextension javascript temp temp-email temp-mail temp-mail-api temp-mail-app tempmail tempmail-api tempmail-server verification-code verify-email
Last synced: 05 May 2025
https://github.com/a1ex-ak/whitesur-macos-firefox-theme
WhiteSur-based theme for Firefox on MacOS & Windows. Make your Firefox look like Safari.
firefox firefox-theme macos macos-siquaia macosx safari siquaia whitesur-theme windows
Last synced: 20 Mar 2025
https://github.com/rthaut/challenge-grid-autofill-extension
A browser extension that programmatically parses challenge prompts and automatically fill in the corresponding response for websites using security/challenge grids, such as Entrust eGrid and Deepnet Security GridID.
authentication browser-extension chrome chrome-extension firefox firefox-addon firefox-extension security webextension
Last synced: 16 Mar 2026
https://github.com/daniel-keogh/qr-fox
Firefox add-on for generating QR codes from URLs
firefox firefox-addon firefox-extension javascript qrcode qrcode-generator webextension webpack
Last synced: 22 Apr 2026
https://github.com/itsnickbarry/mhzchoice-ultrawide
Ultrawide monitor compatibility for the MHzChoice streaming service 📽️
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Last synced: 11 Apr 2025
https://github.com/richja/paid-notify
Chrome extension to notify you ahead about paid articles
browser-extension chrome extension firefox
Last synced: 30 Jan 2026
https://github.com/tonybengue/tabtab-browser-extension
It is a webextension which modify the new tab page
browserextension firefox google-chrome-extension javascript
Last synced: 15 Apr 2026
https://github.com/belidzs/ek
This extension will automatically fill the Egeszsegkonyha IPA feedback form with 10 stars to all questions so you don't have to. You can still edit your answers before submission.
firefox firefox-addon firefox-extension
Last synced: 05 May 2025
https://github.com/jccalhoun/firefox-addons
some addons i am working on for firefox
clock extension firefox firefox-addon webextension
Last synced: 18 Mar 2025
https://github.com/seinopsys/fur-notify
Keep track of your Furbooru notifications and messages in (almost) real time
browser-extension chrome-extension firefox firefox-addon firefox-extension firefox-webextension furbooru google-chrome notifications
Last synced: 08 May 2026
https://github.com/loong64/playwright
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
automation chrome chromium e2e-testing electron end-to-end-testing firefox javascript playwright test test-automation testing testing-tools web webkit
Last synced: 31 Jan 2026
https://github.com/alexanderreaper7/firefox-extras
firefox customizations, improved find bar
Last synced: 06 Apr 2026
https://github.com/wdbm/browsers_config
configure browsers
add-ons chrome chromium extensions firefox
Last synced: 25 Apr 2026
https://github.com/bartsmykla/firefox-extension-search-engine-wikipedia-pl
Firefox WebExtension adding search engine for the polish version of Wikipedia.
firefox firefox-addon firefox-extension firefox-search-extension firefox-search-provider firefox-webextension wikipedia-search
Last synced: 17 Mar 2026
https://github.com/gill-singh-a/firefox-whatsapp-web-group-name-extractor
A Simple Python Program that extracts Group Name present in WhatsApp Web logged on Firefox Browser
digital-forensics firefox python3 strings whatsapp-web
Last synced: 01 Feb 2026
https://github.com/artsys-h/zen-install
Install latest Zen version Easily, for non Flatpak users.
firefox firefox-based firefox-browser zen zen-browser
Last synced: 01 Feb 2026
https://github.com/freema/firefox-devtools-mcp
Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through the Remote Debugging Protocol
claude-code firefox mcp mcp-server
Last synced: 17 Mar 2026
https://github.com/abhijithvijayan/vite-plugin-wext-manifest
Vite plugin that lets you specify `manifest.json` properties to appear only in specific browsers.
arc brave chrome edge firefox manifest opera plugin vite-plugin vivaldi webextension wext yandex
Last synced: 15 May 2026
https://github.com/planetarium/9charger
9c AP Recharge Notifier / Recharge Query Browser Extension
brave chrome edge extension firefox nine-chroncies opera
Last synced: 15 Apr 2026
https://github.com/bberberov/mozilla-profile-utils
A collection of utilities for working with Mozilla profiles; Firefox, Thunderbird and derivatives
firefox jinja jinja-templates thunderbird userjs
Last synced: 26 Feb 2026
https://github.com/vamshi-ka/keeping-tabs
Firefox extension for automatic tab numbering and keyboard navigation. Built for Zen Browser.
browser-extension firefox firefox-extension keyboard-shortcuts productivity tab-management webextensions zen-browser
Last synced: 26 Feb 2026
https://github.com/nisarldev/how_to_contribute_to_firefox_source_code
development firefox firefox-deployment guide
Last synced: 11 Feb 2026
https://github.com/szczyglis-dev/browser-ip-host-auto-header
[JS] Extension for Chrome, Firefox and Opera browsers which allows you to create a list of IP addresses and their corresponding hosts. Hostnames assigned to the IP address are then automatically appended to the request in the HTTP "Host" header if a connection to the given IP address is detected.
browser-extension chrome-extension firefox firefox-addon firefox-extension header host http ip list opera-addon opera-extension website
Last synced: 15 May 2026
https://github.com/shawn-bluce/site-language-swicher
A lightweight frontend utility for seamless multi-language switching functionality on websites. 一个轻量级的前端工具,帮助网站实现无缝的多语言切换功能。
chrome chrome-extension firefox firefox-addon firefox-extension
Last synced: 16 Apr 2026
https://github.com/bevizlaszlo/calmfox
Firefox theme with purple Private windows and minimal UI changes
browser-theme css firefox firefox-css firefox-customization firefox-theme firefox-tweaks theme
Last synced: 12 Feb 2026
https://github.com/mikaleb/hidepuretech
🚘 Hide car ads with Puretech engine
car chrome extension firefox hide-puretech opera productivity puretech react
Last synced: 09 Apr 2026
https://github.com/azizemir/firefox-horse-low-poly-theme
Firefox Theme with nightTab Wallpaper
firefox firefox-customization firefox-theme nighttab
Last synced: 12 Feb 2026
https://github.com/connorslade/norddarkred
⭕ A dark, red Firefox theme based off of the Nord color palette
Last synced: 12 Feb 2026
https://github.com/eyedeekay/copy-tab-url
Copy Tab URL WebExtension for at least Firefox
firefox firefox-addon firefox-extension firefox-webextension webextension webextensions
Last synced: 19 Mar 2026
https://github.com/gil9red/closingduplicatetabs_for_firefox
Closing duplicate tabs
browser-extension firefox firefox-addon firefox-extension
Last synced: 03 Apr 2025
https://github.com/gil9red/thank-and-download-torrent-for-firefox
thank-and-download-torrent-for-firefox
browser-extension firefox firefox-addon firefox-extension
Last synced: 03 Apr 2025
https://github.com/linkid/git-pr-reverse
WebExtension to list open Git pull requests of a file in a popup
Last synced: 16 Apr 2026
https://github.com/ro-ka/presentation-gif-on-firefox
Presentation: gifalicious to the Firefox Marketplace
firefox javascript presentation
Last synced: 17 May 2026
https://github.com/adalinesimonian/pa-vei-focus
Improves the focus handling of input fields on the På Vei website.
extension firefox firefox-addon firefox-extension language-learning norwegian norwegian-language
Last synced: 15 May 2026
https://github.com/wcharczuk/threads-plus
It does things to the Threads web app.
firefox firefox-addon firefox-extension
Last synced: 19 Mar 2026
https://github.com/w45p85/langchoose
A skript that automatically redirects users to localized pages based on their browser language.
browserlanguage chrome css edge firefox html javascript javascriptredirect languageredirection webdesign webdevelopment
Last synced: 16 Feb 2026
https://github.com/evanxd/xul-101
A document to help developers learn how to hack with XUL in Firefox.
Last synced: 11 Jan 2026
https://github.com/rugk/offline-qr-code-35c3
35c3 lightning talk about the Offline QR Code Generator, slides/talk in German
35c3 addon c3 chaos-communication-congress firefox qr-code qr-code-generator qr-generator qrcode qrcode-generator webextension
Last synced: 19 Mar 2026