Percy's Toolkit

by Percy Cabello

5 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,256 reviews

5,291,212 users

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

Gmail Notifier by Doron Rosenberg

Rated 4 out of 5 stars 622 reviews

29,598 users

Note from Mozilla: This add-on has been discontinued. Try WebMail Notifier instead.

The original notifier for Gmail.

Ubiquity by matyr

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Experimental

Rated 5 out of 5 stars 120 reviews

1,376 users

An extension that allows for the use of dynamic commands in Firefox.

Mozilla Labs - Prism by Mozilla Labs

Create Prism applications directly from Firefox

Mozilla Labs - Jetpack Prototype by Mozilla Labs

Rated 4 out of 5 stars 27 reviews

296 users

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

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