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My Favorite Add-ons

by Zulkarnain K.

125 Add-ons in this Collection

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 196 reviews

21,043 users

A simple note-taking extension.

Cookies Manager+ by V@no

Rated 5 out of 5 stars 89 reviews

94,286 users

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.
THIS ADDON WILL NEVER SUPPORT FIREFOX 57+ USE WATERFOX OR PALEMOON INSTEAD

Personas Plus by Mozilla

Rated 3 out of 5 stars 906 reviews

157,414 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.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 198 reviews

83,901 users

View HTTP headers of a page and while browsing.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 211 reviews

35,757 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 56, use 0.974 (see all versions below).
For Firefox 57, see Web Extensions.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 187 reviews

48,701 users

An HTTP analyzer addon for Firefox

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 368 reviews

69,892 users

Adds the ability to create and edit entries in the password manager.

JSONView by Ben Hollis

Rated 5 out of 5 stars 190 reviews

72,773 users

View JSON documents in the browser.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 401 reviews

27,156 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

Pearl Crescent Page Saver classic screenshot tool by Kathleen Brade, Mark Smith

Rated 4 out of 5 stars 94 reviews

55,630 users

*** Note: Please use Page Saver WE in Firefox 57 and newer. ***

Save an image of a web page interactively or from the command line. Options allow you to control the output format (PNG or JPEG), file name, and much more.

Resurrect Pages by Anthony Lieuallen

Rated 5 out of 5 stars 72 reviews

10,604 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...

RefControl by James Abbatiello

Rated 4 out of 5 stars 179 reviews

44,122 users

Control what gets sent as the HTTP Referer on a per-site basis.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 353 reviews

81,071 users

Adds zoom and rotation functionality for images...

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 689 reviews

42,144 users

Make any pages' search functionality available in the Search Bar (or "search box")...

Open in Browser by Rob W, Sylvain Pasche, others

Rated 5 out of 5 stars 70 reviews

6,126 users

Offers the possibility to display documents in the browser window.
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