Top 35+ Online CSS, JS & HTML Minify Tools for Your Blog/Website

This rules triggers when PageSpeed Insights detects that the size of one of your resources could be reduced through minification.

Today , I gonna to share "How to minifiy resources (HTML, CSS and javaScript) using different Online Tools". These tools are very useful and important for your blog or website.You can check your website page speed using PageSpeed Insight tool and decide to minify your codes.

Why needs to Minifying Tool for your blog

Minification refers to the process of removing unnecessary or redundant data without affecting how the resource is processed by the browser - e.g. code comments and formatting, removing unused code, using shorter variable and function names, and so on.

Minification process to improve your blog page speed and remove unnecessary space. Different website provide Online Minifying  Tools and you can also create minify tool for yourself use this resource. Minify integrated into other Projects/Plugins like wordpress, Zend Framework and Yii.

How to Use

Simply , Copy your css or js code and paste into online minifier tool and generate your minify codes.
Also you can upload your css and js file link into online minifier tool and get your generated minify codes.

Top 25+ Online CSS, JS & HTML Minify Tools

Css Minifying Tools -

1. Online JavaScript/CSS Compression

Online JavaScript/CSS Compression is a great online tool to minify your CSS and JavaScript code, you can input data from raw Text, file URL or upload CSS/JS file.This tool is based on Yahoo Compression tool YUI Compressor 2.4.8.
Also tells how many Characters you saved after compression and the ratio for the output and perform Gzip Compression on your files, A good tool to Bookmark.

2. CSS Minifier

A Great Minifier tool by @andychilton providing API support, just perform a POST request to http://cssminifier.com/raw?input=[css code] with your CSS code.

Also Check other Resources by Andy JavaScript Minifier, PNG Crush and JPEG Optimizer.
CSS Compressor & Minifier

Tool from Streamlined Fusion giving you the power of so many options for minifing your Code like:

• Preserve CSS
• Sort Selectors (caution)
• Sort Properties
• Regroup selectors
• Optimise shorthands
• Compress colors
• Compress font-weight
• Lowercase selectors
• Case for properties:
• None Lowercase Uppercase
• Remove unnecessary backslashes
• Remove last ;
• Discard invalid properties
• Add timestamp
• Output as file

3. CSS Compressor

Use this Cascading Style Sheets, CSS Compressor to compress CSS to reduce CSS code size and make your web pages load faster. You can select from four levels of compression, depending on how legible you want the compressed CSS to be versus degree of compression. It is quick, easy and free!

4. CSS Compressor By CSS Drive

Must use this plugin if want to prevent comments from removing from your code also have Light, Normal & Super Compact Compression modes.

5. Creativyst® CSS/JavaScript Compressor

6. CSS Minifier by Free Formatter

Compresses a CSS string/file with no possible side-effect. This is also based on Yahoo Compression tool YUI Compressor 2.4.8.

7. ZBugs

A Great tool for Minify and Gzip compress CSS & Javascript in a single click and get your files hosted on their CDN Server for FREE. Thats Great!!

8. CSS Minifier and Beautifier

A Tool For both Minify and Beautify (Tabify) your CSS Code single tool for Beautify CSS in our list.

9. CSS Scrub

This tool can significantly reduce the size and complexity of your CSS by programmatically stripping unneeded content, stripping redundant calls, and intelligently grouping the remaining element names.

10. Another YUI Compressor Online JavaScript/CSS

Support for Raw Text, File URL and File Upload.

11.Compress or Beautify CSS Code

12. CSS Minifier

Simple and free CSS minifier. All you need is to copy and paste your CSS into the left box.
After that choose compression type and push the button.

13. Online CSS Optimizer/Optimiser

Online CSS Optimizer/Optimiser is a web tool for reducing the file size of cascading style sheets. In order to save more space optimized files would be messy even so you may output it as a file. Non-valid or hacked (for certain browsers) CSS files may result in error.

14. CSS Compressor

Compress CSS, find and remove unused class

15. Minify Web

Support For Multiple CSS files and some more file compressors

16. Clean CSS

CSS Formatter and Optimiser

17. CSS Compressor By Lottery Post

18. CSS compresser By Arantius.com

This tool was inspired by a similar one at Dark Rift Studios. This is, though, written in javascript so it’s all client side (no transmitting your CSS to someone elses’ server), and it has a few more capabilities, plus configurable options. It basically takes out comments and whitespace from a CSS file, which can save more space than you might imagine.

19. CSS Compressor By Seventy Forty

Some More for Download and Use

20. Slimmer 0.1.30

slimmer.py is a whitespace optimizer for CSS, HTML and XHTML output. It’s written by Peter Bengtsson

21. CSSTIDY

CSSTidy is an opensource CSS parser and optimiser. It is available as executable file (available for Windows, Linux and OSX) which can be controlled per command line and as PHP script (both with almost the same functionality).

23. CSSO CSS Optimizer

CSSO (CSS Optimizer) is a CSS minimizer unlike others. In addition to usual minification techniques it can perform structural optimization of CSS files, resulting in smaller file size compared to other minifiers.

24.Closure Stylesheets

Closure Stylesheets is an extension to CSS that adds variables, functions, conditionals, and mixins to standard CSS. The tool also supports minification, linting, RTL flipping, and CSS class renaming.

25.ASP.Net MVC3 Script for Minify CSS

Minify and Combine CSS and Javascript Code in ASP.Net MVC3

26.Nuget Package and script

Package that speeds up loading of JavaScript, CSS and image files

Js Minifying Tools -

1. JsMini

Online JavaScript and jQuery Minifier Tool. Minify your JS code, free and simple to use, lightning fast compression.
Source + Demo

2. ExtDoc – JavaScript Comments Processor

ExtJS library has a specific JavaScript documentation style – ExtDoc parses JavaScript source files and creates template-based output. Support for custom tags and fully templated output.
Source + Demo

3. JsDoc Toolkit

It is an application written in JavaScript, for automatically generating template-formatted, multi-page HTML (or XML, JSON, or any other text-based) documentation from commented JavaScript source code.
Source + Demo

4. jGrouseDoc

Allows developers manage and document code comments using a format similar to Javadoc’s. Allows documenting of JavaScript classes, regardless which approach or framework is being used for it – be it Prototype, Dojo, jGrouse or any other.
Source + Demo

5. Fiddler

It is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and “fiddle” with incoming or outgoing data.
Source + Demo

6. Tamperdata – Firefox Extension

View and modify HTTP/HTTPS headers and post parameters, trace and time http response/requests and security test web applications by modifying POST parameters.
Source + Demo

7. Packer – JavaScript Compressor

One of the most widely used tools to minify JavaScript code is Dean Edwards’ Packer. The packing algorithm is forgiving of all forms of JavaScript with one exception. You must correctly terminate all JavaScript statements with semi-colons.
Source + Demo

8. ShrinkSafe

Is a JavaScript “compression” system. It can typically reduce the size of your scripts by a third or more, depending on your programming style.
Source + Demo

9. YUI Compressor

It is a JavaScript minifier designed to be 100% safe and yield a higher compression ratio than most other tools. Also able to compress CSS files.
Source + Demo

10. JS Minifier

Code is pre-filled with an example.
Source + Demo

11. JavaScript Compressor

Does a straightforward whitespace/comment crunching and a more fundamental transformation, aka compression.
Source + Demo

Conclusion 

Final word, I want to say , to choose best minifying tool for your website and boostup your blog. It's really helpul for your website improvement.

Thank you for reading & Happy Blogging!

Please share your valuable comments and recommend best Online CSS, JS & HTML Minify Tools to add in our next list.