Rund-um-Schlag

by PeterPerlich

115 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,802 reviews

20,180,781 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 6,396 reviews

4,384,074 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,725 reviews

1,271,170 users

The first and only download manager/accelerator built inside Firefox!

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 262 reviews

318,268 users

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

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,588 reviews

784,455 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Web Developer by chrispederick

Rated 5 out of 5 stars 228 reviews

471,065 users

The Web Developer extension adds various web developer tools to the browser.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 948 reviews

471,088 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Element Hiding Helper for Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 449 reviews

614,972 users

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Flagfox by Dave G

Rated 5 out of 5 stars 648 reviews

504,316 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,210 reviews

561,597 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...

Personas Plus by Mozilla

Rated 3 out of 5 stars 966 reviews

308,459 users

Personas (now known as lightweight themes) 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 themes.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,554 reviews

332,797 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Spanish (Spain) Dictionary by tnarik, RickieES

Rated 4 out of 5 stars 109 reviews

257,503 users

Spanish/Spain Dictionary

German Dictionary by KaiRo

Rated 4 out of 5 stars 57 reviews

461,109 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

257,497 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
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