Add-ons

by sloprlek

816 Add-ons in this Collection

Google Docs Viewer (PDF, DOCX, PPTX, XLSX, etc...) by Adon

Rated 4 out of 5 stars 59 reviews

40,239 users

View publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.

Complete YouTube Saver by cg-addons

Rated 4 out of 5 stars 140 reviews

15,992 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

FireSSH by Mime Čuvalo

Rated 4 out of 5 stars 96 reviews

21,235 users

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Extended Statusbar by Strahinja Kustudić

Rated 4 out of 5 stars 248 reviews

57,355 users

A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)

Stealthy by Stealthy

Rated 3 out of 5 stars 64 reviews

31,043 users

Does your country/organization block you from facebook, youtube or others?
Is the service you want unavailable in your country?
Stealthy is the solution for you.
Unlike other extensions we do the work of look for fast proxies for you.

FXChrome by dkgo

A Chrome-like theme for Firefox.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 187 reviews

14,957 users

Useful tools for the nightly tester.

Open With Photoshop by Baris Derin

Rated 5 out of 5 stars 71 reviews

11,524 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.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 128 reviews

72,817 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 380 reviews

47,200 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.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 636 reviews

48,713 users

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

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 389 reviews

33,550 users

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

Master Password+ by V@no

Rated 4 out of 5 stars 138 reviews

17,950 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

Hide Caption Titlebar Plus by Javier "DarthMadara"

Rated 5 out of 5 stars 425 reviews

17,019 users

"Maximize your screen space by adjusting Firefox window TitleBar, borders, Tabs, Toolbars, etc!", with 'smart' options, *optional* custom caption & resizers.  
Multiple Configurable Actions for both screen-corner buttons: Firefox & Close buttons!

Check4Change by Ronen Zilberman

Rated 4 out of 5 stars 174 reviews

15,766 users

Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.
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