In this tutorial, you’ll learn how to implement a drag-and-drop file upload feature in your Angular 4 app and connect it to Firebase Storage on the backend. We’ll walk through creating a ...

This time, for the experiment, we will use 'OCR Space' operated by the developer of UI.Vision to upload PNG, JPEG, WEBP, and PDF files and execute OCR ( optical character recognition ).

Like before, you can start uploading by dragging files into the window, or by tapping “Upload” in the top-right corner and selecting “Computer” to get a system file picker.