Top-Rated Extensions

Harpidetu

YouTube High Definition

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

Rated 5 out of 5 stars (238)
557.798 erabiltzaile

Theme Font & Size Changer

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (178)
102.463 erabiltzaile

YouTube Flash Video Player

YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.

Rated 5 out of 5 stars (54)
268.195 erabiltzaile

QuickFolders (Tabbed Folders) Requires Restart

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Rated 5 out of 5 stars (116)
23.763 erabiltzaile

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (37)
124.227 erabiltzaile

Classic Toolbar Buttons

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.

Beta builds on versions page!

Rated 5 out of 5 stars (161)
37.892 erabiltzaile

Adblock Plus Nabarmenduak

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).

Rated 5 out of 5 stars (4.957)
18.312.045 erabiltzaile

Decentraleyes

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (88)
73.003 erabiltzaile

Open With Photoshop

Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.

Rated 5 out of 5 stars (72)
15.798 erabiltzaile

Reader

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (65)
31.990 erabiltzaile

Slim Add-ons Manager

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (52)
8.579 erabiltzaile

Save Button for Pinterest

Save images and pages to your Pinterest account quickly and easily with Save Button for Pinterest.

Rated 5 out of 5 stars (20)
74.782 erabiltzaile

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (24)
13.806 erabiltzaile

Old Default Image Style

Restores the default image style used for top-level images in previous versions of Firefox.

Rated 5 out of 5 stars (97)
7.033 erabiltzaile

Вебмастер SAPE Requires Restart

Дополнительная панель инструментов Firefox содержит набор функций, расширяющих возможности вебмастеров и оптимизаторов при работе в интерфейсе биржи SAPE.

Rated 5 out of 5 stars (168)
6.251 erabiltzaile

Go Parent Folder Requires Restart

Add "Go Parent Folder" menu to context menu in The Library list view and Search result in Bookmarks Sidebar.

Rated 5 out of 5 stars (113)
8.882 erabiltzaile

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (245)
63.907 erabiltzaile

Download Status Bar

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (341)
219.530 erabiltzaile

Show My Password Requires Restart

You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.

Rated 5 out of 5 stars (83)
31.384 erabiltzaile

HTitle (discontinued) Requires Restart

Hide title bar if window is maximized.

[!] This add-on has been discontinued.

This extension created only for GNOME 3. It can create problems with another DE. However, you can use HTitle at your own risk (need enable "legacy" mode on settings).

Rated 5 out of 5 stars (118)
7.666 erabiltzaile