Part of the digital toolset of SavantTools.com  
HTML Encode / HTML Decode
Online tool to transform an HTML encoded string to plain text, and the reverse.
            encode unicode characters   encode line breaks & spaces
output
Conversion is done in your browser.  Text is not sent to the server. Uses a Javascript class based on the one by strictly-software.

Action Links:
      http://savanttools.com/html-encode.asp?action=decode&txt=<encoded-text>
      http://savanttools.com/html-encode.asp?action=encode&txt=<plain-text>
      http://savanttools.com/html-encode.asp?action=encode&unicode=no&txt=<plain-text>
      http://savanttools.com/html-encode.asp?action=encode&spaces=yes&txt=<plain-text>

Closely related:  Encode unicode entities   (?)