オススメアドオン

by dynamis

92 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,838 reviews

21,903,066 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Ghostery by José María Signanini, Brad McDermott

Rated 5 out of 5 stars 1,112 reviews

1,479,506 users

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,464 reviews

2,290,865 users

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.

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 238 reviews

429,568 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,130 reviews

866,054 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Classic Theme Restorer (Customize UI) by Aris

Rated 5 out of 5 stars 891 reviews

463,205 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

Personas Plus by Mozilla

Rated 3 out of 5 stars 950 reviews

475,964 users

Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.

Blur by Abine, Inc., the online privacy company

Rated 3 out of 5 stars 623 reviews

360,332 users

Protect your Passwords, Payments, and Privacy.

Session Manager by Michael Kraft

Rated 4 out of 5 stars 535 reviews

293,245 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 973 reviews

313,869 users

Allows bidirectional access to Google Calendar

Lightbeam for Firefox by Mozilla

Rated 4 out of 5 stars 380 reviews

472,010 users

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 26 reviews

60,348 users

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Phony by Matt Brubeck

Rated 4 out of 5 stars 79 reviews

29,958 users

View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.

The Addon Bar (Restored) by Geek in Training

Rated 5 out of 5 stars 261 reviews

143,479 users

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
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