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。
4,720,841 人のユーザー
HTTPS Everywhere
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
485,477 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。
1,131,398 人のユーザー
Adblock Plus
広告やトラッキングで困っていませんか？ Adblock Plus でコントロールして自分好みに変えてしまいましょう。
11,174,140 人のユーザー
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
94,311 人のユーザー
Privacy Badger
Automatically learns to block invisible trackers.
551,923 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.
303,487 人のユーザー
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
138,119 人のユーザー
Adblock Plus
広告やトラッキングで困っていませんか？ Adblock Plus でコントロールして自分好みに変えてしまいましょう。
11,174,140 人のユーザー
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。
4,720,841 人のユーザー
Cisco Webex Extension
Firefox ™ からWebexミーティングに参加してください
1,702,794 人のユーザー
NoScript Security Suite
The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks, "Spectre", "Meltdown" and other JavaScript exploits. Fx52? https://noscript.net/getit
1,412,195 人のユーザー
Porn/Malware Blocker
Blocks known pornographic and malware domains. When attempting to go to such a domain, the user is redirected to another page, alerting them that the site has been blocked. Unlike other extensions, no content from the blocked site is ever shown.
7,143 人のユーザー
Block Site
A customizable password protected website blocker and redirector
4,716 人のユーザー
Parental Control: Family Friendly Filter
Family Friendly browser protection add-on is a content filter to block sites containing pornography and any other kind of inappropriate material.
6,007 人のユーザー
FoxFilter
Recently called "THE Parental Control for Firefox"! FoxFilter is a personal content filter that helps block pornographic and other inappropriate content. All filtering features are free! Premium features available with small support fee.
14,874 人のユーザー