Top 20 NuGet minify Packages

Compiles Less files for the LigerShark.WebOptimizer.Core system.
Parses markdown files for the LigerShark.WebOptimizer.Core system.
Compiles LESS files for the LigerShark.WebOptimizer.Core system.
Localizes files for the LigerShark.WebOptimizer.Core system.
Compiles Html files for the AngularJs using LigerShark.WebOptimizer.Core system.
Compass SASS/SCSS processing for System.Web.Optimization bundles.
A Nuglify engine for Smidge
SimdJson: Parsing gigabytes of JSON per second. C# version of Daniel Lemire's SimdJson (written in C).
Minify *.js and *.css files by making use of the Microsoft AJAX Minifier.
Minifies *.js and *.css files by making use of the YUI Compressor.
An ms build task that can: compresses images into a single image, and then creates a css file to split image into sprites; compresses js into a single file, and css into a single file.
On-the-fly image scaling and transformation, less to css, minify of javascripts, etc.
Reduce the number of HTTP requests required to render the page, resulting in faster page loads by combining and compressing multiple JavaScripts and stylesheets.
A module that compresses js into a single file, and css into a single file. More then likely you really want an msbuild task to do this. Get nuget package Talifun.Crusher.MsBuild if this is the case.
Configures a project to automatically minify and/or bundle CSS and JS files during build. No extra dependencies are added to your project. Setup ajaxmin xml config files as required.
Bundles and minifies CSS, JS and HTML files. Depending on Typescript build, so you can include .js files in your bundleconfig which are generated by Typescript.
SimdJson.Bindings: Parsing gigabytes of JSON per second. C# bindings for lemire/simdjson (written in C++).
Integrates the YUI Css and Javascript Compressor with Assman. This tells Assman to use the YUI libraries to minify both javascript and css