Favoji
Set an emoji as the icon for the current Firefox tab.
0 users
Font Detector by Bristy
Identify typography instantly on any webpage with precision inspection, CSS extraction, and interactive typography preview.
Global Capitals Quiz
Explore the world in English! This popup quiz gives a Vietnamese clue about a country’s capital or flag — guess the correct English name. Perfect for travelers, geography buffs, and learners who love global adventures.
0 users
Masterpiece Masters Quiz
Brush up on art history in English! This popup quiz gives a Vietnamese clue about a famous painter or their masterpiece — guess the correct English name. Perfect for art lovers, museum-goers, and learners who appreciate beauty.
0 users
MyJs
Add my JavaScript to the web page
0 users
A11yWidget
Add-on allows users with disabilities easy and convenient way to browse most websites.
0 users
geo-climate-science-quiz
Discover Earth sciences, atmospheric layers, plate tectonics, and global climate dynamics through an interactive geo-environmental trivia challenge.
Tanjungo
Telegram Translations Platform browser extension with dark theme, advanced hotkeys, emoji autocomplete, and auto-replace features.
0 users
HTTP Cookie String Parser
Parse raw Set-Cookie header strings into key, value, and flags.
Safe HTML Tag Stripper
Strip HTML tags to extract clean plain text without script execution.
ThemeChanger
A Firefox extension to change the theme of a webpage.and you can change the theme dark or light mode
0 users
Portal: New Tab
An extension that allows you to set the homepage and the new tab page.
0 users
FACEIT Themes
Цветовые темы для FACEIT и собственная картинка на фоне сайта.
Prehistoric Puzzles Quiz
Dig into the past in English! This popup quiz gives a Vietnamese clue about a dinosaur or fossil discovery — guess the correct English name. Perfect for paleontology fans, kids, and learners who love ancient giants.
0 users
Starry Night Sky Quiz
Look up and learn in English! This popup quiz gives a Vietnamese clue about a famous constellation or star — guess the correct English name. Perfect for stargazers, astronomy fans, and learners who love the night sky.
0 users
Text Trimmer
Trim pasted text to a selected maximum length.
0 users
ClickGuard by RAFA
Bloqueia cliques acidentais em players de vídeo. YouTube, GloboPlay, Twitch e qualquer site.
0 users
Tab Summit Scribe
Tab Summit Scribe is a mischievous little popup that lets you scribble random thoughts, track how many tabs you've got open, and maybe tame the beast—all in a playful, no-pressure way.
ColorPick Pro
Pick colors from webpages and images, view HEX, RGB, and HSL values, and organize your colors into projects. Upgrade to Pro for unlimited saved colors, projects, color history, color harmony tools, CSS copying, JSON export, and image color extraction
Overlay Transparency Control
Adjust the transparency of ticker overlays.
0 users
ESPC Floor Area
Displays the floor area of properties on ESPC.com when viewing search results.
0 users
JSON Minifier
Remove all indentation and whitespace from valid JSON data.
SIGAA+
Adiciona funcionalidades para o SIGAA
0 users
ORAC+
Nicer styling, a Codeforces-style submissions heatmap, copy-code buttons, a random-problem picker and more for orac2.info.
0 users
YouFlix
Transforms YouTube into a sleek Netflix-style streaming experience with billboard trailers, category rows, and cinema mode.