UltraWideo
The cross-browser extension that manipulates video aspect ratio to fit your entire screen. Take control over cinematic black bars. Netflix | Prime Video | Disney+ | Hulu | ESPN | + Many others...
11,639 人のユーザー
Video Downloader VeeVee – ビデオダウンローダー
ビデオ ダウンローダー VeeVee – インターネットからビデオをダウンロードします。
10,366 人のユーザー
Twitter Video Downloader
Twitter video downloader extension that adds a download button to videos on Twitter. Brought to you by TwitterVid.com
10,166 人のユーザー
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends.
9,533 人のユーザー
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
9,133 人のユーザー
Video Downloader for Reddit - Redditsave
A powerful reddit video downloader with sound powered by redditsave.com
8,643 人のユーザー
MAL-Sync
MAL-Sync enables automatic episode tracking between MyAnimeList/Anilist/Kitsu/Simkl and multiple anime streaming websites.
8,599 人のユーザー
RegretsReporter
The RegretsReporter browser extension, built by the nonprofit Mozilla, helps you take control of your YouTube recommendations.
7,625 人のユーザー
KellyC Show YouTube Dislikes
Show dislikes on Youtube ** Extension can be disabled after update \ install by default - check it is enabled - then restart browser if not work **
7,276 人のユーザー
Annotations Restored for YouTube™
Brings annotation support back to YouTube™!
6,731 人のユーザー
Oxford English Spellchecker
A spellchecker for Oxford English.
6,175 人のユーザー
Downloader for Instagram™
Download the original image, video, reels, story and highlight for Instagram™ with one click, free and unlimited.
6,089 人のユーザー
Color by Fardos - Color Picker
Pick colors from websites, save colors & gradients, get matching shades and tints and create beautiful gradients.
5,858 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.
5,772 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.
4,778 人のユーザー
Playback speed
Control the speed of video playback.
4,379 人のユーザー
Tasks for Canvas™
A better to-do list sidebar for Canvas. The Tasks browser extension for Canvas™ updates the Canvas dashboard sidebar to show all of your weekly assignments and track your progress throughout the week.
4,342 人のユーザー
Youtube Speed Control
Control speed of the youtube playback using the keyboard. Press '+' to increase and '-' to decrease the playback speed. Or Shift + mouse wheel . That plugin doesn't work together with "Enhancer for YouTube™"
4,016 人のユーザー
ChatGPTBox
This extension integrates ChatGPT into the browser deeply, and provides chat windows, search engines and commonly used websites integration, and selection tools.
3,946 人のユーザー
RYS — Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
3,476 人のユーザー
AddToAny: Share Anywhere
Share to Facebook, Mastodon, WhatsApp, Telegram, LinkedIn, Teams, Threads, email, and any other sharing or saving service quickly and easily with one share button.
3,374 人のユーザー
Sky Follower Bridge
Instantly find and follow the same users from your Twitter follower on Bluesky.
3,059 人のユーザー
YouTube™ Comment Translate
Automatically translate YouTube comments using the Google-Translate API. This extension allows the user to translate YouTube comments with the click of a single button, right next to the comment.
3,059 人のユーザー
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
2,986 人のユーザー
YouTube to MP3 Downloader
This extension add a download button on any Youtube page and allows you to download MP3 & Video with just one click.
2,869 人のユーザー