uBlock Origin
高効率ブロッカーが遂に登場。CPUとメモリーの負担を抑えます。
7,213,228 人のユーザー
Privacy Badger
Automatically learns to block invisible trackers.
1,129,362 人のユーザー
AdGuard AdBlocker
AdGuardは、広告やポップアップ対処には比類のない広告ブロック拡張機能です。Facebook、YouTubeやその他のサイトで広告をブロックします。
971,376 人のユーザー
Ghostery – プライバシー広告ブロッカー
Ghosteryは強力なプライバシー拡張機能です。広告をブロックし、トラッカーを阻止し、ウェブサイトを高速化します。
912,283 人のユーザー
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
266,606 人のユーザー
Decentraleyes
「無料」と称してあなたを追跡する大規模なCDNを迂回して、プライバシーを守ります。Google Hosted Librariesなどへのリクエストをブロックします。また、ページの表示を壊さないよう、ローカルにこれらのライブラリを保存しています。一般的なコンテンツブロッカーを補助します。
230,319 人のユーザー
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
64,531 人のユーザー
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
62,275 人のユーザー
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
56,147 人のユーザー
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,931,754 人のユーザー
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
195,594 人のユーザー
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
59,615 人のユーザー
AdNauseam
Blocking ads and fighting back against advertising surveillance.
59,546 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.
57,329 人のユーザー
Indie Wiki Buddy
Helping you discover quality, independent wikis! When visiting a Fandom wiki, Indie Wiki Buddy redirects or alerts you of independent alternatives. It also filters search engine results. BreezeWiki is also supported, to reduce clutter on Fandom.
32,697 人のユーザー
LocalCDN
Emulates remote frameworks (e.g. jQuery, Bootstrap, AngularJS) and delivers them as local resource. Prevents unnecessary 3rd party requests to Google, StackPath, MaxCDN and more. Prepared rules for uBlock Origin/uMatrix.
17,637 人のユーザー
Linguist - web pages translator
Translate web pages, highlighted text, Netflix subtitles, private messages, speak text, and save important translations to your personal dictionary to learn words in 130 languages.
12,116 人のユーザー
Kagi Search for Firefox
A simple helper extension for setting Kagi as a default search engine, and automatically logging in to Kagi in private browsing windows.
11,609 人のユーザー
Yandex search
Adds Yandex search as a search engine.
11,059 人のユーザー
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends.
8,742 人のユーザー
Chameleon
Spoof your browser profile. Includes a few privacy enhancing options. A WebExtension port of Random Agent Spoofer.
8,623 人のユーザー
wiki.gg Redirect
Redirects all requests from wikis that have moved to wiki.gg from their former host.
5,274 人のユーザー
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.
4,790 人のユーザー
uBlock Origin Lite
実験的で要求権限の少ないコンテンツブロッカー - 広告・トラッカー・マイニングスクリプトなどをブロック
4,397 人のユーザー
SmartProxy
SmartProxy is a smart automatic proxy switcher that will automatically enable/disable proxy for the sites you visit, based on customizable rules.
3,446 人のユーザー