Firefox is getting is popularity day by day and mainly it’s due to the availability of various awesome extensions.
Here are some of the best Firefox extensions for web developers and designers.
1. Firebug :
Firebug 1.5 requires Firefox 3.5 or higher.
2. FireFTP :
FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.