Mac add-ons

by Jonathan

10 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,888 reviews

19,972,040 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).

Stylish by

Rated 4 out of 5 stars 835 reviews

449,292 users

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

BetterPrivacy-signed by IKRG

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

Personas Plus by Mozilla

Rated 3 out of 5 stars 933 reviews

273,341 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Lazarus: Form Recovery by Seth Wagoner

Rated 4 out of 5 stars 391 reviews

48,327 users

Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.

URL Fixer by Wladimir Palant

Rated 4 out of 5 stars 108 reviews

11,357 users

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Download Statusbar by C.J.

Download Now


Rated 4 out of 5 stars 1,460 reviews

280,484 users

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

Thanks Tekzilla for your awesome review! Click here to see their video:

ErrorZilla Plus by Crend King

Rated 4 out of 5 stars 51 reviews

1,727 users

This extension is a replacement of Firefox official error page, which adds some useful tools to aid your troubleshooting.

The tools include:
- Google Cache (view the page cached by Google)
- Coralize (use Coral CDN proxy to connect again)
- Wayback ...

Addendum by Add-Art

Rated 4 out of 5 stars 45 reviews

770 users

Addendum replaces ads on web pages with visual essays from artists. Choose image sets from curated sources, or create your own.

Learn about the visual essays at and platform at Code at

Fission by zeniko

Rated 4 out of 5 stars 376 reviews

2,974 users

Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections