Add-ons

by sloprlek

832 Add-ons in this Collection

YSlow by YSlow

Rated 3 out of 5 stars 215 reviews

80,703 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 125 reviews

130,440 users

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

Tile Tabs by DW-dev

Rated 5 out of 5 stars 250 reviews

73,321 users

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

Super Start by cyberscorpio

Just another speed dial extension. Fast and easy to use.

Private Tab by Infocatcher

Rated 5 out of 5 stars 221 reviews

70,669 users

Adds private tabs.

UnPlug by h2g2bob

Rated 4 out of 5 stars 243 reviews

51,061 users

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.

Proxy Selector by Michele Pezza

Rated 4 out of 5 stars 112 reviews

44,745 users

Proxy Selector lets you switch local proxies in Firefox.

Vlc context menu by Helga Tauscher, Feuerluchs

Rated 4 out of 5 stars 15 reviews

44,404 users

Add URLs of audio and video files to VLCs playlist via context menu of your browser

PrintPDF by Stuart Parmenter

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

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

55,596 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

F.B. Purity - Cleans Up Facebook by steeev+

Rated 5 out of 5 stars 87 reviews

39,619 users

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

ProCon Latte Content Filter by Hunter Paolini

Rated 4 out of 5 stars 241 reviews

57,296 users

Block sites containing pornography, or any other kind of material, based on simple keyword lists.

Font Finder by Ben Dodson, Eric Caron, others

Rated 4 out of 5 stars 71 reviews

37,946 users

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Stealthy by Stealthy

Rated 3 out of 5 stars 67 reviews

63,151 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.

Anti-Porn Pro - The web porn filter addon! by webfiltering

Rated 4 out of 5 stars 47 reviews

34,221 users

Cloudacl WebFilter is cloud based porn content filtering application monitoring millions web sites and billion of web pages to keep you family especially your kids away from sex, nudity and adult content.
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