What is dropbox service? Free online storage for all. Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily. "One place for all your stuff, wherever you are." Dropbox is a home for all your photos, docs, videos, and files. Anything you add to Dropbox will automatically show up on all your computers, phones and even the … [Read more...] about What is dropbox service? Free online storage for all.