I didn't know there was a demand for document diffs. I created http://diffchecker.com http://diffchecker.com but it's mostly meant for programmers. Is there a

I didn't know there was a demand for document diffs. I created http://diffchecker.com http://diffchecker.com but it's mostly meant for programmers. Is there a significant improvement in experience if I allow document uploads versus them copy and pasting the document contents?