Best Firefox Extensions for Fun & Productivity

by Shvidky

24 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,801 reviews

21,744,670 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 6,384 reviews

4,702,443 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,828 reviews

2,370,282 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 1,724 reviews

1,368,718 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 228 reviews

545,410 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

539,662 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!

Personas Plus by Mozilla

Rated 3 out of 5 stars 966 reviews

336,732 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.

FireGestures by Gomita

Rated 4 out of 5 stars 907 reviews

375,589 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,554 reviews

361,449 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!

ReloadEvery by Jaap Haitsma

Rated 4 out of 5 stars 704 reviews

167,686 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)

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,201 reviews

225,147 users

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 1,003 reviews

269,037 users

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,411 reviews

199,589 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 392 reviews

87,946 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

Russian spellchecking dictionary by Alexander Slovesnik

Rated 4 out of 5 stars 87 reviews

63,932 users

Russian spellchecking dictionary
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