These are the add-ons that I think are the coolest or most useful add-ons.
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).
Collector's Note Never see banner ads or flash ads again!
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Collector's Note Allows you to download videos from websites like youtube.
Collector's Note An amazing developer tool for examining and tweaking the HTML of pages. AMAZING if you're working on a website, or even just want to know how a website is built.
Collector's Note This allows you to add special instructions to run on different pages. Check out the add-on itself for a better description. This is one of the most powerful and useful add-ons I have.
Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.
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: http://youtu.be/BUDqWrJ-Vao
Collector's Note Way, way better than the native download manager on firefox.
Display URL in hyperlink tooltips.
Collector's Note I've turned off the status bar at the bottom of Firefox (View > Status Bar) to save space, so this helps me see where I'm being directed - just hover your cursor over a link and you'll see where it's going.
Note from Mozilla: This add-on has been discontinued. Try Snap Links Plus instead.
Snap Links allows users to easily open multiple links in new tabs by drawing a box around them.
Collector's Note Allows you to open multiple links at once as separate tabs. (If it doesn't work, try Snap Links Plus.)
Press enter in the AwesomeBar to select the first result (without pressing down)
Collector's Note If you're typing a website or bookmark name in the url bar, this add-on allows you to select the top result by hitting "Enter" rather than needing to click on the top result. A small change, but helpful.
FavLoc allows you to set folders as "favorite locations" to which you can easily download. FavLoc menus will appear on the File menu (for saving pages), the context menu (for saving images and links), and on the download...
Collector's Note Makes saving things way easier - you can preset "favorite locations" to save things to, and choose those easily without needing to navigate around for the location you want.
Collections are groups of related add-ons that anyone can create and share.Explore Collections