Mobile Firefox add-ons for Mozilla developers, extension authors, and web developers/designers.
View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.
Collector's Note Change your user-agent to test iPhone- or Android-optimized sites in Mobile Firefox.
Collector's Note Add this to your desktop Fennec emulator and start Fennec with the -jsconsole option to get enhanced error filtering and more.
A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.
Collector's Note Helps add-on developers check for common problems and bugs.
Tools for working with web pages in Firefox Mobile
Collector's Note Adds a "view source" command, console.log() functions, and more.
Click an entry in the error console to view the source file and the line contents.
Collector's Note Tap in the error console to view the source code that generated the error.
Collections are groups of related add-ons that anyone can create and share.Explore Collections