Useful extensions for Visual Studio

Web Compiler:
The easiest and most powerful way to compile LESS, Scss, JSX and CoffeeScript files directly within Visual Studio or through MSBuild.
https://visualstudiogallery.msdn.microsoft.com/3b329021-cd7a-4a01-86fc-714c2d05bb6c

Image Optimizer:
Lossless optimization of JPEG, PNG and Gifs - including animated Gifs
https://visualstudiogallery.msdn.microsoft.com/a56eddd3-d79b-48ac-8c8f-2db06ade77c3

Bundler & Minifier:
Adds support for bundling and minifying JavaScript, CSS and HTML files in any project.
https://visualstudiogallery.msdn.microsoft.com/9ec27da7-e24b-4d56-8064-fd7e88ac1c40

Web Analyzer:
Provides static analysis directly in Visual Studio for JavaScript, TypeScript, JSX, CSS and more
https://visualstudiogallery.msdn.microsoft.com/6edc26d4-47d8-4987-82ee-7c820d79be1d