Html encoder use below given tool for html encode friends when you add google adsense ad code or other code in blogger template and when you press save button its show a error because it need html code in encode.
Use below tool for Encode Html code
This tool what does do?
'<' becomes '<'
'>' becomes '>'
'"' (double quote) becomes '"'
''' (single quote) becomes '''
'&' becomes '&'
Start converting your code: past your code and press convert button