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: 2026-06-23 00:11:12 UTC
- JSON Representation
https://github.com/jerboa88/rtg-for-outlook
A browser extension that temporarily replaces private email content with random text for development purposes
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Last synced: 08 Apr 2025
https://github.com/alexherbo2/webextension-ankama-direct-link
Bypass the Ankama external link warning
ankama chrome firefox webextension
Last synced: 05 May 2026
https://github.com/ciffelia/atcoder-favorite-migrator
beta.atcoder.jp のお気に入りを atcoder.jp に追加する拡張機能 (Chrome/Firefox)
atcoder browser-extension chrome firefox javascript
Last synced: 11 Apr 2026
https://github.com/kyure-a/userchrome
Vivaldi-like vertical tabs and bottom address bar (without extensions) for Firefox
firefox firefox-css firefox-tweaks
Last synced: 10 Jun 2025
https://github.com/n18l/search-tailor
A browser extension for tailoring your search results.
addon chrome chrome-extension extension firefox firefox-addon
Last synced: 12 May 2026
https://github.com/wulfmann/aws-coco
Easily manage AWS Console Sessions
aws aws-console aws-credentials firefox firefox-containers
Last synced: 28 Apr 2025
https://github.com/mamantoha/twitter-account-location
A browser extension that displays account-based location information next to Twitter/X usernames.
chrome chrome-extension firefox firefox-addon twitter webextension
Last synced: 13 Jan 2026
https://github.com/gcarreno/testreadfirefoxcookies
Example on how to read Firefox cookies database
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Last synced: 06 Jan 2026
https://github.com/randomgamingdev/yt-times
A Firefox Extension that replaces the undescriptive youtube time with the exact absolute time of release
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Last synced: 29 Dec 2025
https://github.com/davide710/firefox-addons
No more copying and pasting a thousand times!!
automation firefox firefox-addon firefox-extension javascript utility
Last synced: 07 Oct 2025
https://github.com/arshadkazmi42/firefox-profiles
Get list of all firefox profiles - crossplatform
firefox firefox-profiles profiles user-profiles
Last synced: 02 Apr 2025
https://github.com/gavink97/pipn
Automatic Picture in Picture Mode for firefox
browser-extension firefox firefox-extension picture-in-picture
Last synced: 16 Jan 2026
https://github.com/lajp/ytdlff
A Firefox addon that automatically opens youtube videos in mpv
firefox firefox-addon firefox-extension mpv youtube-dl ytdl
Last synced: 24 Jul 2025
https://github.com/dmarto/cmce
Firefox web-extension to control Content-Security-Policy introduced to clients with <meta> tags.
add-on content-security-policy csp firefox http-equiv web-extension
Last synced: 16 Jan 2026
https://github.com/proustibat/useful-browser-extensions
Feel free to contribute with pull requests or issues
Last synced: 03 Sep 2025
https://github.com/salko-ua/xlsx-schedules-to-photo
Оne-time script is convert schedules from xlsx format to png file like 1A.png, and send them to the server from which KOTEKBOT uses them to display them on the bot. The code is designed to run on machines that have DE and can run the firefox browser
firefox pillow python selenium
Last synced: 12 Apr 2026
https://github.com/richardslouis/mozilla-extensions
Mozilla Apps (Richiesoft Studio)
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Last synced: 15 Jun 2025
https://github.com/sixarm/sixarm_firefox_addons
SixArm.com » Firefox » Add-ons
Last synced: 19 Mar 2026
https://github.com/wesleybranton/transportation-idle-tycoon
Become the king or queen of the transportation industry by expanding your transit empire!
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Last synced: 18 Jan 2026
https://github.com/joeyism/arxiver-firefox
Handy tool for Arxiv to save papers, and filter through them later. Included is the ability to search for a paper you have saved by keywords, author, title, description, etc.
arxiv arxiv-org extension firefox learning machine productivity productivity-tools
Last synced: 28 Nov 2025
https://github.com/kkristof200/selenium_youtube_firefox
Python library to upload videos to YouTube (also watch, like, comment, pin comment) using Firefox with Selenium.
firefox geckodriver python selenium youtube youtube-upload youtube-uploader
Last synced: 09 May 2026
https://github.com/kit494way/github-toc
Browser extention to show table of contents in github
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Last synced: 11 Mar 2026
https://github.com/ValeriiMandryka/Boilerplate-Playwright-PlaywrightReport
Browsers: [Chromium, Firefox, Webkit ]; mobile: [ MobileChrome, MobileSafari ]; Reporter: [Playwright Report ]
chromium firefox playwright-report webkit
Last synced: 06 Aug 2025
https://github.com/ad2ien/balenos
Lubuntu cusomizations for public self attending kiosk
Last synced: 18 Jan 2026
https://github.com/a1ex-ak/whitesur-firefox-theme-macos
WhiteSur-based theme for Firefox on MacOS. Make your Firefox look like Safari.
css-theme firefox firefox-css firefox-theme mac macos macos-siquaia macosx safari siquaia whitesur-theme
Last synced: 01 May 2025
https://github.com/nisc/chatgpt-userscripts
Various user scripts to improve ChatGPT functionality
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Last synced: 13 Apr 2026
https://github.com/cityssm/node-web-browser-info
Retrieves details about installed web browsers.
Last synced: 07 Jan 2026
https://github.com/averissimo/open-link-in-foreground
Firefox addon for opening links in active tab
Last synced: 03 Apr 2025
https://github.com/icepenguins101/australis-theme-port
Australis Revived for Mozilla Firefox
australis firefox firefox-css firefoxcss mozilla-firefox userchrome userchromecss
Last synced: 14 Jul 2025
https://github.com/mariusalbrecht/firefoxnord
A Nord theme of the amazig Firefox browser using the ability of Firefox to have custom css injected to alter the layout.
firefox firefox-extensions nord-theme
Last synced: 06 Sep 2025
https://github.com/sethfalco/r-slash-redirect
Redirects searches for a subreddit directly to the respective subreddit on Reddit. For example, a search for r/memes will be redirected to the Memes subreddit instead of search results.
firefox firefox-addon firefox-extension reddit search
Last synced: 02 Apr 2025
https://github.com/notsooshariff/tryhackguide-extension
TryHackGuide is a browser extension for TryHackMe that provides easy access to writeups, videos, solutions, and more. Compatible with all major browsers, including Firefox, Chrome, Opera, and Brave.
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Last synced: 13 Apr 2026
https://github.com/fain182/trello-extras
Firefox extension to show card counter and card id on trello
firefox firefox-addon firefox-extension trello web-extension
Last synced: 31 May 2026
https://github.com/nativemessaging/documentation
Native Messaging Information
chrome documentation example firefox guide native-messages wiki
Last synced: 03 May 2026
https://github.com/realityripple/gaiaformat
⌨️ An enhanced text formatter for GaiaOnline Forums, Private Messages, Guilds, and Profile comments.
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Last synced: 28 Feb 2025
https://github.com/semanticdata/firefox-whatsapp-pinned
Firefox extension to open or toggle WhatsApp Web within a pinned tab. This extension adds a keyboard shortcut, and a toggle button within the toolbar.
firefox firefox-addon firefox-extension whatsapp whatsapp-web
Last synced: 18 Jan 2026
https://github.com/jsnjack/pr-reactions
Adds pull request reaction to the pull request list on github.com
browser-extension chrome firefox github pr-reactions
Last synced: 09 May 2026
https://github.com/BaskLash/YouTube-Time-Manager
YouTube Time Manager. An extension that prevents YouTube from distracting us. It was made for us to use YouTube to our advantage.
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Last synced: 05 Oct 2025
https://github.com/petermcd/browser-sync
A Firefox extension that will sync bookmarks from a web hosted JSON file with the bookmarks configured in the browser.
Last synced: 05 Oct 2025
https://github.com/coool/browsers-add-ons-violentmonkey
Violentmonkey provides userscripts support for browsers. It works on browsers with WebExtensions support. (Latvian translate fork) - https://github.com/violentmonkey/violentmonkey
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Last synced: 06 Oct 2025
https://github.com/capjamesg/recommend-firefox
A web component for recommending the Firefox web browser.
Last synced: 16 Feb 2026
https://github.com/actionless/firefox_search_rutracker_by_seeds
Firefox search provider for Rutracker, results sorted by the number of seeds
firefox firefox-addon firefox-extension firefox-extensions firefox-webextension rutracker rutracker-org
Last synced: 07 Oct 2025
https://github.com/13eglib/narsil-s-user-js
Mirror of Narsil's user.js repo
Last synced: 08 Oct 2025
https://github.com/rugk/opengraph-template
Template for open graph card/add-ons on GitHub
browser-extension firefox github opengraph template
Last synced: 08 Oct 2025
https://github.com/doprz/browser-extension-toolkit
A comprehensive toolkit for building type-safe browser extensions with robust messaging patterns.
browser-extension chrome firefox messaging proxy typescript
Last synced: 20 Mar 2025
https://github.com/amurzeau/debian-autobuild
Firefox without SSE and streamlink Debian packages
firefox non-sse2 sse2 streamlink
Last synced: 09 Oct 2025
https://github.com/opus-codium/puppet-firefox
Manage Firefox preferences through Puppet
Last synced: 21 Jan 2026
https://github.com/testertv/simplebuttonjs.github.io
Simple button for Tampermonkey / Violentmonkey / Greasemonkey
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Last synced: 14 Apr 2026
https://github.com/nt1m/devtools-framework
An UI framework for Firefox DevTools
css-framework firefox firefox-devtools framework framework-css
Last synced: 18 Oct 2025
https://github.com/dkxce/infocellgettowers
InfoCells Get Towers - плагин InfoCellTowers.ru для Firefox, который позволяет сохранять полученные сотовые вышки при навигации по карте на сайте
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Last synced: 10 Oct 2025
https://github.com/georapbox/z-index-visualizer
A Firefox extension to visualize z-index
firefox visualizer webextension z-index
Last synced: 13 Oct 2025
https://github.com/ajmeese7/chess-next-move
Firefox extension for saving games on chessnextmove.com
chess extension firefox firefox-extension
Last synced: 13 Oct 2025
https://github.com/joao-pedro-rdo/token-safesign-ubuntu22
Este repositório fornece um guia passo a passo para resolver problemas de reconhecimento do token SafeSign no navegador Firefox no Ubuntu 22.04. Inclui instruções para desinstalar o Firefox do Snap, instalá-lo a partir do repositório oficial e configurar o token adequadamente. Também aborda como lidar com configurações de proxy em redes internas.
firefox safesign token-safesign ubuntu2004
Last synced: 19 Mar 2025
https://github.com/uiolee/disable-umami
A WebExtension to disable Umami Analytics.
firefox firefox-addon firefox-android firefox-extension javascript umami webextension
Last synced: 15 Oct 2025
https://github.com/prsprsbk/ffext-manifest-schema
JSON Schema for manifest.json of Firefox WebExtensions.
firefox json-schema webextensions
Last synced: 10 May 2026
https://github.com/0negal/firefox-whiteout
A whiteout firefox theme
firefox firefox-theme userchrome userchromecss whiteout-themes
Last synced: 16 May 2026
https://github.com/migrim/glassmorphism-startpage
A sleek and modern startpage designed with a dark glassmorphism style
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Last synced: 27 Jan 2026
https://github.com/latinrev/astro-browser-extension-template
A template for creating ManifestV2 and Manifestv3 browser extensions using astro
astro browser browser-extension chrome chrome-extension firefox firefox-extension javascript manifest-json manifest-v2 manifest-v3 template typescript vite
Last synced: 06 Feb 2026
https://github.com/bowdown097/revertfftoolbar
A userChrome.css script to revert the changes to the toolbar in Firefox 110.
classic-theme css-modification css-theme firefox firefox-customization old-theme stylesheet userchrome
Last synced: 24 Oct 2025
https://github.com/actionless/firefox_search_rutracker_by_date
Firefox search provider for Rutracker, results sorted by date
chrome-extension firefox firefox-addon firefox-extension firefox-extensions firefox-webextension rutracker rutracker-org webextension
Last synced: 18 Apr 2026
https://github.com/vvision/yt-auto-dark
Automatically switch Youtube™ to its built-in dark theme.
dark-theme firefox firefox-extension youtube
Last synced: 28 Jan 2026
https://github.com/a-catgirl-dev/MinimalFox
A minimalist's Firefox
customization firefox firefox-css minimal minimalist userchrome userchromecss
Last synced: 27 Oct 2025
https://github.com/alexghr/blink-scroll-snap-bug-poc
A bug in the Blink rendering engine involving scroll-snap-align, IntersectionObserver and transforms
Last synced: 01 Jun 2026
https://github.com/whirlxd/searchport
A modern, customizable homepage with quick search options
chrome extension firefox homepage search-engine searching
Last synced: 15 Apr 2026
https://github.com/prinzpiuz/looi
A Minimal, Customisable New Tab page for Firefox, Chrome, and Edge.
chrome chrome-extension edge extension firefox firefox-addon newtab newtabpage
Last synced: 29 Jan 2026
https://github.com/oviirup/vite-webext
build cross-browser web extensions with Vite and modern web-technologies
addon chrome chrome-extention edge extension firefox vite vite-plugin web-extension
Last synced: 06 Feb 2026
https://github.com/twocaretcat/rtg-for-outlook
A browser extension that temporarily replaces private email content with random text for development purposes
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Last synced: 29 Apr 2026
https://github.com/deseven/firefox-quickllm
Firefox extension that integrates LLMs into your browser
ai firefox firefox-extension llm
Last synced: 07 Feb 2026
https://github.com/jirikuba/youtabs
Google chrome extension for searching guitar tabs
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Last synced: 31 Jan 2026
https://github.com/theohbrothers/webize
Move away from proprietary apps to focus on a browser-first workflow.
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Last synced: 09 Feb 2026
https://github.com/koloml/furbooru-tagging-assistant
Browser extension for enhanced tagging on Furbooru & Derpibooru
booru chrome chrome-extension derpibooru firefox firefox-addon furbooru philomena
Last synced: 05 Apr 2026
https://github.com/ahfuckit/-
Stuff found in browser
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Last synced: 09 Feb 2026
https://github.com/atif-c/ioc-intel
IOC Intel is a powerful and flexible browser extension designed to streamline the investigation of Indicators of Compromise (IOCs).
chromium firefox ioc osint webextension
Last synced: 16 Apr 2026
https://github.com/veto-firewall/veto
Simple Firewall For Your Browser: GeoIP, ASN, domain, URL and content blocking capabilities
asn bgp firefox firewall geoip privacy security typescript webextension
Last synced: 02 Apr 2026
https://github.com/pigeonposse/wikipediaplus
📚🧩 WikipediaPlus is an extension that allows you to quickly and efficiently access all relevant links on the page you're visiting 🐦🌈
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Last synced: 11 Feb 2026
https://github.com/eexit/google-io-2010-firefox-theme
Google I/O 2010 official theme for Mozilla Firefox
browser-theme firefox firefox-theme google-io google-io-2010 mozilla-firefox
Last synced: 11 Feb 2026
https://github.com/justoff/justoff.github.io
JustOff's Extensions for Pale Moon, Firefox & SeaMonkey
extensions firefox pale-moon palemoon seamonkey
Last synced: 19 Mar 2026
https://github.com/elamani-drawing/cve-2024-4367-poc-pdfjs
PoC (Proof of Concept) de la CVE-2024-4367 - Vulnérabilité RCE dans libwebp. Démonstration complète incluant : création de payloads, scénarios d'attaque, analyse des risques et serveur Express.js de test.
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Last synced: 12 Feb 2026
https://github.com/cadeef/firefox-to-sqlite
Create an SQLite database from your Firefox data
Last synced: 28 Feb 2026
https://github.com/mdcatapult/aurac-web-plugin
Browser plugin that can find, highlight and link to interesting life science things in web pages and PDFs.
chrome compounds firefox genes life-sciences ner proteins
Last synced: 14 May 2026
https://github.com/eyedeekay/tassel
Template project for adding bookmarks to a web browser via a WebExtension. Fork it, change the json file, get it signed and self-distribute.
bookmarks firefox webextension
Last synced: 19 Mar 2026
https://github.com/goudronviande24/firefox-newtab
A simple new tab extension for Firefox
artivain dashboard firefox firefox-addon firefox-extension webextension
Last synced: 19 Mar 2026
https://github.com/semanticdata/firefox-brave-search
🦊 Firefox extension adding Brave Search as a search engine option within Firefox. Also includes keyword @brave as a search shortcut.
brave-search firefox firefox-addon firefox-extension
Last synced: 19 Mar 2026
https://github.com/andromedarabbit/containerise
Records of Firefox Extension Containerise
Last synced: 03 Mar 2026
https://github.com/jul10l1r4/updateme
Somos um projeto destinado ao aperfeiçoamento dos serviços web, e segurança de quem as utilizam
c-sharp cgi css3 desenvolvedor development ecmascript edge es6-javascript firefox gnu-linux google-chrome html5 internet java microsoft opera php
Last synced: 05 Apr 2026
https://github.com/tmiland/firefox-installer
Install any version of firefox from Mozilla.org
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Last synced: 08 Mar 2026