Allow you to upload multiple files in one upload form or using drag and drop functionality.

Custom Input Masks uses a javascript library which creates an input mask. An input mask helps the user with the input by ensuring a predefined format. This can be useful for dates, currencies, numbers, phone numbers, emails, urls ... Using input masks you’ll get better and more consistent data, and it will be a lot easier for your users to read and enter that data.

Use Microsoft Azure Cognitive Services to allow users to have natural and contextual interactions with your applications.