by MarSanMar

114 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,973 reviews

21,738,930 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 5,661 reviews

4,960,917 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,610 reviews

1,410,754 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 957 reviews

1,299,661 users

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

Ghostery by José María Signanini

Rated 5 out of 5 stars 1,202 reviews

1,530,899 users

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,500 reviews

2,300,001 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.

Adblock Plus Pop-up Addon by Jesse Hakanen

Rated 5 out of 5 stars 177 reviews

1,265,478 users

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,094 reviews

225,921 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 498 reviews

976,142 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.

iMacros for Firefox by iMacros

Rated 4 out of 5 stars 382 reviews

435,751 users

Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the soluti...

Web of Trust, WOT: Website Reputation Ratings by WOT Services

Rated 3 out of 5 stars 1,637 reviews

1,081,107 users

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected

LastPass Password Manager by LastPass, Andrew Zitnay

Rated 4 out of 5 stars 1,236 reviews

777,760 users

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

Stylish by Jason Barnabe

Rated 4 out of 5 stars 752 reviews

693,308 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Element Hiding Helper for Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 448 reviews

783,502 users

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

HTTPS Everywhere by EFF Technologists

Rated 4 out of 5 stars 31 reviews

59,276 users

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
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