Estensioni più votate


QuickFolders (Tabbed Folders)

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!

Assegnate 5 su 5 stelle (109)
24.519 utenti

Theme Font & Size Changer Riavvio non richiesto

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.

Assegnate 5 su 5 stelle (153)
95.018 utenti

Classic Toolbar Buttons Riavvio non richiesto

Questo add-on ripristina l'aspetto dei tasti della barra degli strumenti di
Firefox, Thunderbird e Seamonkey per Windows.

Beta/Aurora/Nightly (dev)builds:

Assegnate 5 su 5 stelle (144)
40.053 utenti


Word translation in tooltip with English⟷Croatian dictionary already incorporated.

Assegnate 5 su 5 stelle (59)
5.047 utenti

Add-ons Manager Context Menu

Add more items to Add-ons Manager context menu.

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14.938 utenti

Copy Plain Text 2

Copia il testo selezionato senza formattazione.

Assegnate 5 su 5 stelle (63)
46.177 utenti


"Restart" menu and button, with configurable shortcut key.

Assegnate 5 su 5 stelle (39)
16.276 utenti


Persistent sticky notes for Thunderbird associated to mails.
This is a port to Thunderbird >= 3 and Seamonkey >= 2 based on XNote 2.1.0 ( ) with bugfixes and additional features.

Assegnate 5 su 5 stelle (64)
19.021 utenti

NewScrollbars (aka NoiaScrollbars)

L'estensione "NewScrollbars" sostituisce la barra di scorrimento predefinita di Firefox e Thunderbird con una colorata (parzialmente) che proviene dal tema "Noia".

See main page info about Firefox 32+ bug with some zoom levels!

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15.463 utenti

GNotifier Riavvio non richiesto

Add-on for Firefox and Thunderbird. Integrates Firefox's notifications with the OS's native notification system. It supports most Linux desktops and Windows 8.

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11.473 utenti


Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).

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42.709 utenti

Menu Wizard

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Assegnate 5 su 5 stelle (134)
24.288 utenti

Adblock Plus Riavvio non richiesto Consigliati

Infastiditi da pubblicità, banner o da possibili tracciature? Installando Adblock Plus è possibile cambiare il modo in cui si naviga sul web!

Per una rapida anteprima video in inglese visitare

Assegnate 5 su 5 stelle (4.986)
21.458.316 utenti

FlashGot Mass Downloader

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Assegnate 5 su 5 stelle (504)
932.103 utenti

Extension Auto-Installer Riavvio non richiesto

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Assegnate 5 su 5 stelle (15)
3.714 utenti


Hide title bar if window is maximized.

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

Assegnate 5 su 5 stelle (96)
9.265 utenti

uBlock Origin Riavvio non richiesto

Finally, an efficient blocker. Easy on CPU and memory.

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558.223 utenti


CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.

Assegnate 5 su 5 stelle (23)
669 utenti

Add-ons Manager - Version Number Riavvio non richiesto

Restores add-on version number inside Add-on Manager for latest builds of Firefox, Thunderbird and Seamonkey.

Assegnate 5 su 5 stelle (14)
904 utenti

Search Results Sort By Date Not Relevance

Makes search results sort by "date" instead of "relevance" by default.

Assegnate 5 su 5 stelle (14)
2.796 utenti