My Favorite Add-ons

by Zulkarnain K.

125 Add-ons in this Collection

Open in Browser by Rob W, Sylvain Pasche, others

Rated 5 out of 5 stars 69 reviews

6,111 users

Offers the possibility to display documents in the browser window.

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 23 reviews

27,309 users

Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 77 reviews

68,114 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.

Stylish Sync by Herrminator

Rated 5 out of 5 stars 31 reviews

2,653 users

Sync engine for Stylish with backup / restore facility.

Resurrect Pages by Anthony Lieuallen

Rated 5 out of 5 stars 72 reviews

10,415 users

Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...

TabSubmit by Kai Liu

Rated 5 out of 5 stars 14 reviews

1,397 users

Lets the user direct the submission of a form to a new tab or window. [Bug #17754]

Firefox OS 1.1 Simulator by Myk Melez, J. Ryan Stinnett

Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.

Context Search by Ben Basson

Rated 5 out of 5 stars 283 reviews

25,256 users

Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 110 reviews

21,870 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Save Image in Folder by Achim Seufert

Rated 5 out of 5 stars 238 reviews

17,792 users

Easily save images in personally customized...

about:addons-memory by Nils Maier

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Experimental

Rated 4 out of 5 stars 142 reviews

15,628 users

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

Markdown Viewer by Thiht

Rated 4 out of 5 stars 49 reviews

11,522 users

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

Suspend Tab by Piro (piro_or)

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Experimental

Rated 4 out of 5 stars 73 reviews

10,631 users

Suspends background old tabs automatically to save memory usage.

Custom Buttons by Yan, cubegm, others

Rated 4 out of 5 stars 123 reviews

5,816 users

Gives a possibility to create custom toolbarbuttons...

Personal Menu (Personal Firefox Button) by Merci chao

Bring back your personal and powerful Firefox Button!
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