In normal web applications, we let users upload images and files using the HTML file upload field. These files are uploaded into a specific server location. However, what if the admin wants to view the files or edit them? We have to manually download the files, make the modifications and upload them again. WordPress offers media management section by default. This section is improved in WordPress 4.0+ versions to include the media grid and image editor. This is a great feature for managing media as administrators. You can can use this to let your users upload images and edit them before saving them in the WordPress backend. Since it's a built-in feature, you don't have to develop any functionality for image uploading in WordPress applications. Let's see the default display of the new media grid using the following screenshot:

Once you click on a single item, all the details will be displayed in a popup menu with the ability to navigate between the...