YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
158,504 人のユーザー
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
106,765 人のユーザー
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
99,156 人のユーザー
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
47,547 人のユーザー
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
153,284 人のユーザー
Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
50,173 人のユーザー
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
44,925 人のユーザー
BlockTube
YouTube™ Content Blocker Block channels and videos from YouTube™ Fast and easy
31,245 人のユーザー
Mate Translate – translator, dictionary
Your all-in-one translator for web pages, highlighted text & Netflix subtitles. Translate and learn words in 103 languages.
18,672 人のユーザー
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12,232 人のユーザー
Scratch Addons
Scratch Addons provides customizable features and themes for the scratch.mit.edu website and project editor.
8,062 人のユーザー
Pinned Google Calendar
Go to the pinned Google Calendar tab. If it doesn't exist, it's created.
7,800 人のユーザー
Default Search with Anthropic
アドレスバーからClaude AIに質問してみましょう。ページの要約、質問への回答、アイデア出しなど、さまざまな用途にご利用いただけます。Claude AIは、ChatGPTの代替となるAI生産性向上ツールです。
7,612 人のユーザー
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
6,713 人のユーザー
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
6,626 人のユーザー
