Resize Window
The Resize Window Firefox add-on offers effortless resizing of browser windows, empowering users to customize their browsing experience. With intuitive controls, users can easily adjust window dimensions to suit their preferences, whether for multita
1 user
ARC
ARC (Astronomy reading companion) is an assistive reading tool for astronomy texts. Highlights key concepts inline with concise, accurate explanations to support learning without replacing the original content.
1 user
Aco Universal Speed Overlay
Flat compact hover-revealed translucent playback speed overlay for HTML5 videos on Firefox, with robust position-tracking fallback for tricky sites (iframes, late-init players).
1 user
Quick Calculator Easy
A simple pop-up calculator for quick math. Perform basic operations and continue calculations with the previous result.
1 user
HippoLink TCGplayer Sync
Keeps HippoLink's mirror of this browser's TCGplayer seller session current, so a login elsewhere never silently breaks TCGplayer sync for the store.
1 user
Game VFX Clipper
Grab a moment from YouTube, Twitch or any web video and send it straight to the Game VFX Database upload flow.
All In One - Developer toolbox
If you are a programmer definitely you need this extension, Try it!
1 user
Lumina Read
Create a luminous reading spotlight that follows your cursor for distraction-free browsing
1 user
LeetQuiet: Code with Focus. Not with Noise.
Hide the Solutions Tab and the Question Difficulty level in LeetCode to avoid temptation and boost problem-solving discipline.
1 user
ClickFix Mitigator
Detects ClickFix patterns, suspicious commands in the clipboard, and copy-and-paste-and-execute flows before the user executes them.
1 user
Repo Picker
Type gh in the address bar, then a repo name, to jump straight to it.
Calculator - By Mr.Bear
Scientific calculator for Firefox with DEG/RAD toggle, keyboard input, undo/redo, and customizable colors that persist across sessions. Includes trigonometry, square roots, and standard operations.
1 user
InfoHunter
This tool ensures seamless exploration of tools and security analysis resources, empowering users to perform comprehensive security information gathering right in the browser.
1 user
Ridealong
Lets a local AI agent co-browse THIS Firefox (navigate/read/query/click/fill), gated per-tab with approval + a full audit log. Real browser, real session, no CDP.
1 user
NeoIndexer – Indeksacja linków Google
Zgłaszaj linki do indeksacji w NeoIndexer bezpośrednio z przeglądarki, bez logowania do panelu.
1 user
OPFS Finder — Browse files like Finder
Browse browser's files ====================== A tiny Finder for the files every website quietly keeps inside your browser. Nothing new to learn — it just feels like home.
1 user
Lucid — universal file viewer
Beautifully render YAML and JSON files inline in your browser. Folding, search, outline tree, raw/formatted toggle. Per-site permissions — no remote servers, nothing leaves your machine.
1 user
Pyxel Studio Addons
Optimisez votre expérience de développement avec Pyxel Studio Addon, une extension qui remplace l’interface de Pyxel Studio par une alternative plus ergonomique et intuitive.
1 user
sites time machine
Путешествуйте во времени по изменениям CSS и просматривайте архивные версии страниц
1 user
GreasyBoii
Execute custom JavaScript and CSS based on URL patterns and page elements, plus one-click page tools: bulk downloads, link harvesting, scraping and more
MyDomains - Domain CSV Exporter
Export domain rows from supported registrar pages to a CSV file. The plugin will try to find domains from all registrars even if not supported.
1 user
BRP Bridge Extension
Browser Runtime Protocol - Firefox Extension for AI agent interaction 让 AI 助手（Cursor、Claude、Codex 等）直接操控 Firefox 浏览器 — 支持页面导航、元素点击、表单填写、截图、DOM 抓取。
1 user
Prayer Helper1
A helpful tool for daily reminders.
