Web essentials 2012

Web essentials provides efficient way of performing common development tasks. This includes

Support for TypeScript
JavaScript/Css minification
Vendor dpecific property generation
Zen coding

and many more

Download from
http://visualstudiogallery.msdn.microsoft.com/07d54d12-7133-4e15-becb-6f451ea3bea6

Cheers
Samitha