This is a plugin for IntelliJ to convert source code into html keeping all formatting and highlighting. WARNING: this plugin is out of date, it will only work with IntelliJ 10 (and may be earlier versions).
This is a github import of this project on google code https://code.google.com/p/htmlexport
If you just want to convert code into html please consider trying "Copy as HTML" plugin (http://plugins.intellij.net/plugin/?idea&pluginId=190)