I like the design and it seems pretty well thought. One thing I really enjoy is the ability to test the product without having to create another "fake" account first just to see what I really could do with it so kudos to that.

You indicate you are in beta right now, do you plan to stay always free or will you offer paid tier later?

It's hard to see how you're different from upverter.com in the end and what would be one (or more) killer feature(s) that make your solution the one to use in th end ?