My Favorite Add-ons

by SouzaRM

281 Add-ons in this Collection

BuiltWith by garazy

Rated 4 out of 5 stars 11 reviews

7,731 users

BuiltWith is a web site profiler tool. Upon looking up a page, BuiltWith returns a list all the technologies in use on that page that it can find.

NoSquint by Jason Tackaberry

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Experimental

Rated 5 out of 5 stars 474 reviews

10,005 users

NoSquint is no longer maintained. :(

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

14,613 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 75 reviews

74,828 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

OmniSidebar by Quicksaver

Rated 5 out of 5 stars 131 reviews

49,487 users

Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!

Close Tab Button by tynn

Rated 5 out of 5 stars 22 reviews

19,019 users

Adds an ×-PageAction to close the tab

Easy Copy by Byron

Rated 4 out of 5 stars 49 reviews

17,161 users

Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.

about:addons-memory by Nils Maier

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Experimental

Rated 4 out of 5 stars 141 reviews

18,294 users

Adds an about:addons-memory page that details add-on memory usage

FindBar Tweak by Quicksaver

Rated 5 out of 5 stars 286 reviews

29,706 users

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Screengrab by Andy M

Rated 4 out of 5 stars 575 reviews

11,892 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

Google Contacts by H.Ogi

Rated 3 out of 5 stars 300 reviews

583 users

Access to Google contacts and synchronize them with Thunderbird address books.

XNote++ by Lorenz Froihofer

Rated 5 out of 5 stars 66 reviews

22,120 users

Persistent sticky notes for Thunderbird associated to mails.
This is a port to Thunderbird >= 3 based on XNote 2.1.0 ( https://addons.mozilla.org/en-US/thunderbird/addon/3093 ) with bugfixes and additional features.

Noise by bootleq

Rated 4 out of 5 stars 41 reviews

2,676 users

Make sound response when event happen.

Grab and Drag by Ian

Rated 4 out of 5 stars 278 reviews

16,534 users

Enables Adobe Acrobat-style grab and drag scrolling, Flick gestures, and Momentum scrolling in Firefox. Useful for (older) pen or touchscreen-based devices for which these gestures are not natively supported. Not useful on Windows 8 touch devices.

PixelZoomer by Matthias Schuetz

Rated 5 out of 5 stars 24 reviews

4,320 users

PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
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