Enhancer for YouTube™
YouTubeを管理して、ユーザー体験を向上させましょう!
688,633 人のユーザー
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
612,355 人のユーザー
Turn Off the Lights for YouTube™ and Beyond
動画を囲むページ全体がだんだん暗くなり、まるで映画館にいる気分で、動画を楽しめます。
39,485 人のユーザー
Improve YouTube! (Open-Source for YouTube)
Make YouTube tidy & powerful! YouTube Player Size Theme Quality Auto HD Colors Playback Speed Style ad block Playlist Channel H.264
7,791 人のユーザー
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
1,341,181 人のユーザー
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
310,908 人のユーザー
Return Youtube Dislike
Returns ability to see dislike statistics on youtube
291,185 人のユーザー
Global Speed: ビデオ速度制御
ビデオとオーディオのデフォルト速度を設定します。
48,701 人のユーザー
Pinned Tab for WhatsApp Web
Go to the pinned WhatsApp Web tab. If it doesn't exist, it's created. WhatsApp doesn’t endorse or sponsor this project.
26,436 人のユーザー
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
24,290 人のユーザー
RegretsReporter
The RegretsReporter browser extension, built by the nonprofit Mozilla, helps you take control of your YouTube recommendations.
13,529 人のユーザー
XKit Rewritten
The enhancement suite for Tumblr's new web interface
11,092 人のユーザー
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.
7,125 人のユーザー
Video Downloader for Reddit - Redditsave
A powerful reddit video downloader with sound powered by redditsave.com
5,747 人のユーザー
Ad Blocker for Facebook™
Remove unwanted contents on the Facebook website, including sponsored posts and recommended pages/groups. Supports both desktop and mobile Firefox.
5,538 人のユーザー
Twitter ログイン必須突破ツール
2021年8月から適用された、ログインしないとTwitterを閲覧できない問題を回避します
5,306 人のユーザー
Gmail
Access Gmail easily, wherever you are.
4,547 人のユーザー
Age Restriction Bypass for YouTube™
Extension to bypass YouTube's age verification and watch age restricted videos without having to sign in.
4,374 人のユーザー
AddToAny: Share Anywhere
Share to Facebook, Twitter, WhatsApp, email, and any other sharing or saving service quickly and easily with one share button.
3,997 人のユーザー
Tweak New Twitter
Removes algorithmic content from Twitter, hides news & trends, lets you control which shared tweets appear on your timeline, and adds other UI improvements
3,529 人のユーザー
Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
3,381 人のユーザー
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.
3,291 人のユーザー
Pinned Messenger
Go to the pinned Messenger tab. If it doesn't exist, it's created.
3,109 人のユーザー