Websites that are most likely draw visitors attention are the websites that take comparatively less time to load. While loading speed of your website largely depends on the files you make your website with, you might as well think of minimizing file sizes. The idea of minifying code in order to minimize the file size comes to serve this purpose. Alongside increasing the loading speed, code minification has a lot of other benefits. We will now talk about some of the most useful minification tools that come very handy.


What does minification do? 

There are a lot of things minification does in order to minimize the file size and augment code functionality. The changes minification makes does not affect code functionality negatively. It does not break any rule of code and browsers can read the code just like the original files. Below is the list of things minification does.

  • Makes it more efficient in crossing the network between servers and browsers. 
  • Removes white space both in HTML code and inline CSS and JavaScript.
  • Removes comments and non-required semicolons.
  • Reduces the hex code length.
  • Joins consecutive var declarations (JavaScript).
  • Converts arrays to objects where possible (JavaScript).
  • Optimizes if statements calculate simple constant expressions (JavaScript).

Minification creates new files which you will finally use for your website. It turns your style.css into style.min.css.

Most useful minification tools

When you look for a tool to minify your code, you have plenty of options to choose from. After going through a quality analysis and user feedback check, we listed some of the most useful minification tools for you. 

Will Peavy’s HTML Minifier

This is an online tool that helps you minify HTML along with CSS and JavaScript code. It is built with PHP. If you minify JavaScript code with this tool, make sure you terminate JS statements with a semicolon and use /* */ syntax for comments after you have minified.


Koala is a GUI application that can be used for Less, Sass, Compass and CoffeeScript compilation to help web developers use them more efficiently and make website faster. Koala can run on Windows, Linux and Mac equally without any hassle.

Kangax HTML Minifier 

Kangax is a highly configurable, well-tested, JavaScript-based HTML minifier. It helps you remove comments from styles and scripts, CDATA sections, attributes, quotes, unnecessary attributes, blank attributes and validate input through HTML Lint.

Closure Compiler

The Closure Compiler is a special tool for making JavaScript download and run faster. It compiles from JavaScript to better JavaScript. It parses your JavaScript, analyzes it, removes dead code, rewrites and minimizes. Closure Compiler also checks syntax, variable references, types, and warns about common JavaScript pitfalls in the file.


Smaller is a powerful HTML, CSS, and JavaScript compressor on OS X which has the ability to combine many files into one. It compresses your files and makes your website load much faster. You just have to drop the files or folder, Smaller will intelligently take all files under it to minify.


You will find many minification tools but we tried to give you a list of the most useful ones. Some of the tools above work very smoothly with their particular language types be it HTML or javaScript. Find the one you need and speed up your website by minimizing file sizes.