Some Useful Add - Ons

by amaltr

83 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,885 reviews

19,962,079 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Video DownloadHelper by mig

Rated 4 out of 5 stars 7,127 reviews

4,447,376 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,842 reviews

2,022,082 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Flash Video Downloader - YouTube HD Download [4K] by Artur Dubovoy

Rated 4 out of 5 stars 701 reviews

986,068 users

Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download.

Easy Screenshot by MozillaOnline

Rated 4 out of 5 stars 110 reviews

2,576,500 users

Capture a screenshot of the whole webpage, and save in your desktop in default.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,012 reviews

1,218,480 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,804 reviews

1,224,868 users

The first and only download manager/accelerator built inside Firefox!

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,581 reviews

2,124,696 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,393 reviews

721,096 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 535 reviews

782,079 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Youtube Downloader 4K - Video Downloader by Paul Saint

Rated 4 out of 5 stars 34 reviews

123,704 users

Download from YouTube 4K videos and thousands other video websites.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 265 reviews

325,441 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 364 reviews

264,691 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Full Web Page Screenshots (♥♥♥♥♥) by susbox

FireShot makes full web page screenshots. Demo:

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Element Hiding Helper for Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 452 reviews

584,171 users

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
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