http://www.japaneselearningtools.com/index.html
You can download an Excel file from here.
It also has somewhat embedded application or Macro that you can use for studying Kanji. (But I can't use it !)
It is the underlying database that this website has been using.
http://www.readthekanji.com/
Another site for JLPT
http://www.tanos.co.uk/jlpt/
Guess these might be useful

皆 頑張れ !