CSV to FoamTree
You can use this demo to visualize data stored in an Excel or OpenOffice spreadsheet. See this spreadsheet for the required cell layout. All you need to do is to copy the data from your spreadsheet and paste below.
Paste your spreadsheet data. The data must be in the tab-separated format.
Your data converted to FoamTree JSON. You can copy it and paste in the settings panel
for further visual tuning.