My Favorite Add-ons

by sloprlek

849 Add-ons in this Collection

PrintPDF by Stuart Parmenter

This allows users on Windows and Linux to print web pages to PDF. Mac users you already have this functionality.

Browser Backgrounds by Baris Derin

Rated 5 out of 5 stars 41 reviews

8,251 users

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

WorldIP - Geo Add-on with Security Features by Alrond

Rated 5 out of 5 stars 122 reviews

30,858 users

Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

47,149 users

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

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 200 reviews

66,398 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Dr.Web LinkChecker by Doctor Web Anti-Virus

This plugin allows you to check any file you are about to download, any page you are about to visit with online version of Dr.Web anti-virus.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 123 reviews

51,686 users

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

FXChrome by dkgo

A Chrome-like theme for Firefox.

Open With Photoshop by Baris Derin

Rated 5 out of 5 stars 72 reviews

16,029 users

Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.

PDF Download by Nitro PDF Software

Download Now

Experimental

Rated 2 out of 5 stars 690 reviews

61,266 users

Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.

Master Password+ by V@no

Rated 4 out of 5 stars 143 reviews

24,284 users

Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows

FlashFirebug by O-Minds

Rated 4 out of 5 stars 5 reviews

19,627 users

Debug Flash/SWF files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer. (NOW SUCCEEDED BY FLASH DEBUGGER. CHECK ADDON DESCRIPTION)

Complete YouTube Saver by cg-addons

Rated 4 out of 5 stars 165 reviews

20,565 users

Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder

Showcase by Josep del Rio

Rated 4 out of 5 stars 152 reviews

22,939 users

Easily find and manage your browser tabs.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 398 reviews

68,582 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.
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