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 integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

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.