David Green

<p>A featherlight plugin that Minifies HTML output for a faster loading website.</p>
<p>Features:<br />
– No annoying settings to deal with.<br />
– Install and automatically minify your HTML.<br />
– Featherlight with only a few lines of code.</p>
<h3>Caution</h3>
<p>Use of this plugin may conflict with server based cache services, and I cannot support it’s use on those servers.</p>


Featherlight HTML Minify

A featherlight plugin that Minifies HTML output for a faster loading website.

neoslab

<p>Powered Minifier allow you to reduce your page load and increase your performance by minifying your HTML source along with all the CSS and JS code present in your markup.</p>
<h3>License</h3>
<p>Good news, this plugin is free for everyone! Since it’s released under the GPL, you can use it free of charge on your personal or commercial site.</p>


Powered Minifier

Honestly it's the best minifier plugin for Wordpress 

Simply Excellent

Reduce your page load by minifying your HTML source along with all the CSS and JS code present in your markup.

Featherlight HTML Minify vs Powered Minifier