Be logged in. On the main page, at the bottom, click Settings. Scroll down completely and click the deletion link. Everthing will be gone.
URLS:
https://droplr.com/
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.