 Hey everyone there, welcome to this new course, Essential Secrets of PDF. My name is Krishna Ajrana and I am recording this course for ByteScout. Okay, so have you opened a PDF in this week for any reason? Well, chances are you might work with them regularly. Let's say you create your resume in Microsoft Word and share it with your employer or some consultant firm. Now unless everyone has Microsoft Word installed on their computers, there is no guarantee that they would be able to open and view your resume. And because Word documents are meant to be edited, there is a chance that some of the formatting and text in your document may be shifted around. Now you understand what I mean to say. Despite some other file types fading into obscurity, PDFs are still a popular choice for many industries. So have you ever wondered why you are required to use PDF for certain documents? Why a standard Word documents won't suffice? Let's explore how PDFs work, why they are important, and understand the reason why they are still enjoying so much popularity. Okay, in this course, some of the major topics we will cover include what is PDF and why we can't ignore them. And then we will be looking at the brief history of PDF. And then we will see a general use of PDF and its advantages and see why the PDF is the world's most important file format. And then we will be looking at the internal structure of the PDF files. And then we will see some real-time use cases of PDF and we will learn what kind of objects PDF can contain. We will read and manipulate PDF files using the tools provided by Bitescout, which is the PDF multi-tool and document parser template editor tool. We'll see that what you can do with PDF using these tools. So let's jump into the course and start our journey.