Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
5,547 users
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
5,408 users
Tab Volume
Control your tab volume.
5,044 users
3,976 users
Stands Free AdBlocker
Block annoying ads, popups, malware and tracking (even on Facebook & Youtube), browse faster, and protect your privacy.
3,830 users
Voila – AI Assistant, Copilot and AI Writer
Seamless personal AI assistant powered by GPT-4o to help you create, write, summarize, brainstorm, and research Get things done with a simple keyboard shortcut – Improve your writing, get answers to all your questions and draft high-quality content.
3,776 users
3,746 users
uView Floating Player - Picture in Picture
Watch Youtube video and more in a floating window Picture in Picture (PIP) on top of any other application while multitasking or gaming on PC. Say goodbye to alt-tabbing.
3,373 users
3,311 users
Imagus mod
With a simple mouse-over you can enlarge and display images/videos from links. Now with optional permissions, more features.
3,264 users
Print for Firefox
Print the current page you see with one single click. That for all kinds of photo printing, poster printing, business cards, etc.
3,259 users
YouTube Video Downloader HD, 4K & Multi-Format
Download YouTube videos, Shorts, MP3, plus Facebook, Instagram, TikTok, Twitter, Vimeo in 4K with our fast YouTube Video Downloader and converter tool.
3,129 users
3,117 users
Twitter & X Video Downloader
Download Twitter (X) Videos effortlessly with our X Downloader Extension. Just one click to convert video to MP4 or MP3.
2,781 users
AI Subtitles & Immersive Translate - Trancy
Trancy provides bilingual subtitle for platforms like YouTube, Netflix, Disney+... as well as AI translator for websites.
2,721 users
Clean-Spam-Link-Tweet
ツイート(返信)からスパム系ツイートを可視化してアフィ系スパムリンクを踏む事を阻止します。
2,395 users
Twitter用 センシティブ画像大好き君
Twitterでセンシティブ設定がされている画像を常に表示するようにします
2,118 users
Twitter Container
This addon is a fork of Mozilla's Facebook Container but for Twitter. Twitter Container isolates your Twitter activity from the rest of your web activity in order to prevent them from tracking you. This addon is NOT an official Mozilla Product.
2,077 users
Bring Twitter Back
Turns X back to Twitter by replacing all instances of the logo, replacing the new names ("post," "repost," etc.) with their old ones, and replacing the "X" name with "Twitter" on tabs and on the website.
2,057 users
YouTube Downloader
YouTube Downloader Plus - Download videos from YouTube, TikTok, Instagram, Facebook, Twitch, Twitter, Vimeo, IMDB, Soundcloud and more—fast, free, easy, and high-quality!
2,043 users
Save4k
Скачать видео с YouTube.com, VK.com, Ok.ru, Facebook.com, Instagram.com, Soundcloud.com в 4К или 8К качестве!
1,987 users
Shadowban Scanner for Twitter / X
A browser extension that detects shadowbans on Twitter.
1,835 users
PronounDB
PronounDB is a browser extension that helps people know each other's pronouns easily and instantly. Whether hanging out on a Twitch chat, or on any of the supported platforms, PronounDB will make your life easier.
1,709 users
Download Twitter videos
Download videos, gifs, tweet photos, profile pictures, header banners, thumbnails, subtitles, color palettes, tags from Twitter.
1,618 users
one sec | Website Blocker, Focus, Screen Time
“one sec” forces you to take a deep breath and pause whenever you open one of the configured websites (Reddit, YouTube, Twitter, …).
1,511 users