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182 Add-ons in this Collection

Link Properties Plus by Infocatcher

Rated 5 out of 5 stars 17 reviews

16 users

Provides extended link properties: size of linked file, last modified time, etc.

about:config Button by Button Guy

Rated 5 out of 5 stars 5 reviews

18 users

Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.

Browser Backgrounds by Baris Derin

Rated 5 out of 5 stars 51 reviews

1 user

Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.

Copy As Plain Text by mehtuus

Rated 4 out of 5 stars 60 reviews

37 users

Removes formatting from copied text.

Tab Counter by Michael Kraft

Rated 4 out of 5 stars 115 reviews

3 users

A simple extension that counts the number of open tabs per window and displays the count in the toolbar...

RequestPolicy v0.5 Legacy by Martin Kimmerle

Rated 3 out of 5 stars 6 reviews

1 user

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

wmlbrowser by Matthew Wilson

Rated 4 out of 5 stars 30 reviews

1 user

Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.

DOM Inspector Plus! [dm] by Javier "DarthMadara"

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Experimental

Rated 4 out of 5 stars 6 reviews

32 users

Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.

ViewAbout by Gary Kwong

Rated 4 out of 5 stars 18 reviews

38 users

Enables access to various about: dialogs from the View menu.

Yet Another Remove It Permanently by Kim A. Brandt

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Experimental

Rated 5 out of 5 stars 47 reviews

0 users

Remove elements and block content on Web pages.

HTitle (discontinued) by Aleksandr Seleznev

Rated 5 out of 5 stars 131 reviews

0 users

Hide title bar if window is maximized.

This add-on has been discontinued!

Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.

Tab Wheel Scroll by Matt H

Rated 4 out of 5 stars 162 reviews

13 users

Switch tabs by scrolling with the mouse wheel in the tab bar.

FxIF by Christian Eyrich, Ted Mielczarek

Rated 4 out of 5 stars 96 reviews

41 users

View EXIF data in image properties

Fox Web Security by Oleksandr

Rated 5 out of 5 stars 29 reviews

3 users

Protection from adult content (parental control) and from dangerous sites.
Entrust protection for yourself and your children to professionals!

Colorific by Peter J. Sloetjes, MSc.

Rated 4 out of 5 stars 14 reviews

6 users

Colorize entire web pages. Configure themes using sliders and drag-and-drop. Set domain preferences for automatic coloration.
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