My Favorite Add-ons

by Ward Muylaert

14 Add-ons in this Collection

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 959 reviews

1,304,833 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 251 reviews

392,381 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 217 reviews

604,961 users

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

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,168 reviews

765,755 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...

Flagfox by Dave G

Rated 5 out of 5 stars 635 reviews

629,971 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...

Reddit Enhancement Suite by honestbleeps

Rated 5 out of 5 stars 91 reviews

262,006 users

A suite of tools to enhance Reddit

JSONView by Ben Hollis

Rated 5 out of 5 stars 133 reviews

109,216 users

View JSON documents in the browser.

Tree Style Tab by Piro (piro_or)

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Rated 4 out of 5 stars 1,222 reviews

106,159 users

Show tabs like a tree.

Google Docs Viewer (PDF, DOCX, PPTX, XLSX, etc...) by Adon

Rated 4 out of 5 stars 60 reviews

65,638 users

View publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.

GNotifier by mkiol

Rated 5 out of 5 stars 42 reviews

11,879 users

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.

Markdown Viewer by Thiht

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Rated 4 out of 5 stars 28 reviews

7,106 users

Markdown document viewer.
Allows to visualize formatted markdown documents in browser.

Disable Ctrl-Q Shortcut by choobin

Rated 5 out of 5 stars 56 reviews

4,212 users

Never close the browser by mistake again.

Config Descriptions by Dave G

Rated 5 out of 5 stars 20 reviews

2,464 users

Shows source comments for advanced application preferences in about:config

Document Font Toggle by Alexander Dietrich

Rated 4 out of 5 stars 31 reviews

2,338 users

Switch between website fonts and your own selection.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

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