This is a must-have extension for any web developer. It's where the Visual Studio web team adds new features first to get feedback before building them into Visual Studio.
Another must-have extension that takes the pain out of optimizing PNG, JPG and Gif images without compromising the quality of the image.
Bundler & Minifier
The easiest and most powerful way to compile LESS, Scss and CoffeeScript files directly within Visual Studio or through MSBuild.
SideWaffle adds a bunch of useful snippets, project templates, and item templates to Visual Studio.
Originally a plugin made to launch Grunt tasks from inside Visual studio by right-clicking your gruntfile in Solution Explorer, Grunt Launcher now has new functionality such as support for Gulp, npm, and Bower.
PHP Tools focus on developer productivity while respecting conventions. The tools provide smart code completion, quick navigation, syntax error checking, an integrated PHP manual, a project system, debugging support, and more.
Chutzpah unit test runner
Bootstrap Snippet Pack
The ultimate snippet pack for web developers who use the Twitter Bootstrap framework.
Mexedge Stylesheet Extension
This extension allows you to visualize in a tree view form the structure of your css files, from media directive to classes, ids, types and declarations as well as pseudos.
Glyphfriend is a Visual Studio extension to enhance IntelliSense to display preview glyphs for many of the common glyph-based font libraries like Font Awesome, Foundation, IonIcons, and more.
SassyStudio extends the SCSS support in Visual Studio 2013.
Open from Azure Websites
Open any Azure hosted web application as a Website Project directly within Visual Studio.
Flattens the node_modules folder hierarchy by using the "flatten-packages" npm package behind the scenes. Works with long paths. Node.js must be installed on the machine.
React Snippet Pack
A snippet pack to make you more productive working with React.js. Based on the snippets from the Atom React Plugin.
Broccoli Task Runner
Adds support for Broccoli brocfile.js files as well as Ember-CLI's ember-cli-build.js build scripts based on Broccoli.
NPM Script Task Runner
Adds support for package.json's NPM scripts in the Task Runner Explorer.
Brunch Task Runner
Adds support for the Brunch build tool in Visual Studio 2015's Task Runner Explorer.
WebPack Task Runner
Adds support for WebPack in Visual Studio 2015's Task Runner Explorer.