by "'><script>alert('problem')</script>

3 Add-ons in this Collection

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 336 reviews

157 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 216 reviews

38 users

View HTTP headers of a page and while browsing.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 151 reviews

13,778 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections