My Favorite Add-ons

by Dimas

33 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,063 reviews

13,088,586 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 11,485 reviews

3,563,714 users

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

Greasemonkey by Anthony Lieuallen

Rated 4 out of 5 stars 1,549 reviews

707,978 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,597 reviews

949,447 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,687 reviews

721,970 users

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

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.

Web Developer by chrispederick

Rated 4 out of 5 stars 465 reviews

280,906 users

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

Spanish (Spain) Dictionary by tnarik, RickieES

Rated 4 out of 5 stars 131 reviews

253,544 users

Spanish/Spain Dictionary

ReloadEvery by Jaap Haitsma

Rated 4 out of 5 stars 754 reviews

74,033 users

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

Personas Plus by Mozilla

Rated 3 out of 5 stars 936 reviews

144,302 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.

SkipScreen -- download helper, now for sale... by Skipscreen

Rated 4 out of 5 stars 610 reviews

28,026 users

We’re sorry to say we can’t maintain Skipscreen anymore. We’d love to see someone carry on with it. If you’d like to buy Skipscreen, or otherwise find it a good home, please contact us at

Fast Dial by telega

Rated 3 out of 5 stars 2,525 reviews

62,496 users

Visual bookmarks for Firefox.

General Catalan dictionary by Toniher

Rated 4 out of 5 stars 36 reviews

34,708 users

Free Catalan (general version) spelling dictionary.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 699 reviews

38,278 users

Make any pages' search functionality available in the Search Bar (or "search box")...

gtranslate by Pau Tomàs, Pierre Bertet, others

Rated 4 out of 5 stars 574 reviews

38,513 users

With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
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