WebDev collection
by FedorFL [lefedor]
About this Collection
WebDev collection
2 Add-ons in this Collection
User Agent Switcher by chrispederick
149 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
34 users
View HTTP headers of a page and while browsing.
What are Collections?
Collections are groups of related add-ons that anyone can create and share.
Explore CollectionsTo create your own collections, you must have a Mozilla Add-ons account.