When you build a website online, you may want to allow your visitors to upload files or send files to you from one of your pages. The simplest way to do this is to have your customers or visitors send you an email with the file attached. This works for most people, but there are several reasons why it would be easier to have an upload button your website. Sometimes, files are too large to attach to an email, so an upload button would make sending the file possible. Also, if you are trying to get multiple users and new website visitors to quickly and easily send you files.
UploadThingy is a great service on the web that allows you to easily add this functionality to your website. Simply start an account with them at http://uploadthingy.com, indicate the name of your website, then add their HTML code to your website.