Dark Reader
すべてのウェブサイトにダークテーマを適用します。夜間や毎日のブラウジングにDark Readerを使用し、あなたの目を気遣います。
1,165,237 人のユーザー
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
1,026,132 人のユーザー
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
464,885 人のユーザー
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
438,363 人のユーザー
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
314,980 人のユーザー
Tree Style Tab - ツリー型タブ
タブをツリー状に表示します。
206,657 人のユーザー
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
146,767 人のユーザー
Tab Session Manager
開いているタブやウィンドウを保存し,復元することができます。自動保存やクラウド同期にも対応しています。
138,056 人のユーザー
Simple Tab Groups
Create, modify, and quickly change tab groups
79,714 人のユーザー
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
75,172 人のユーザー
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
73,218 人のユーザー
Block Site
A customizable, password-protected website blocker and redirector.
71,794 人のユーザー
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
65,263 人のユーザー
Turbo Download Manager
A download manager with the ability to pause and resume downloads, download remote files, and more.
63,834 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。
42,834 人のユーザー
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
42,587 人のユーザー
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
40,420 人のユーザー
Print Edit WE
Edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.
40,371 人のユーザー
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
37,195 人のユーザー
Audio Equalizer
Stylish audio equalizer in toolbar popup.
36,721 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
32,695 人のユーザー
Custom Scrollbars
Give Firefox a personal touch with customized scrollbars!
31,142 人のユーザー
Webmail Ad Blocker
画面の右側にあるメッセージのスペースを拡大ヤフーメール、ホットメールやGmailを使用して広告をブロック。
28,276 人のユーザー