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What is PDF? Why everyone is using PDF?

use PDF

"Why do we use PDF, do not use PPT, similar features, obviously PPT is more convenient to modify ah!"

PDF document format will be the program, reports, graphics presented to the customer, it seems to be the workplace agreed rules. This is like a "know why I do not know why" dilemma, that today, we will take a deep dive into the PDF, together with the "know why"!

PDF format from where?

PDF's full name is Portable Document Format, which translates to "Portable Document Format", which was invented by Adobe in the early 1990s document interaction format.

What are the characteristics of PDF format?

As a globally popular document format, PDF has many features that cannot be replaced by other formats,merge pdf files i love pdf and here are two of the most important ones in my opinion.

- No change in content

PDF document content format and equipment, operating systems, media, that is, no matter what you replace the computer, what system, and even print the document content on paper, the content format will not change, so do not have to worry about the content of the document appeared in the garbled, messy lines and so on.

- High security

This is one of the reasons why PDF is so popular. You can choose to set up a password to protect the document security, and then set up printing, editing, copying and other permissions, you can also choose to add a watermark to prevent document forgery.

Why use PDF?

Every industry practitioner will have their own reasons for using PDF. For an advertising industry practitioner, before the proposal, the most worried about the program leakage. By choosing PDF, you can easily obtain a level of file protection not available in other document formats. As long as permissions are set up in advance, it will be difficult for others to plagiarize ideas by copying and pasting.

Is there a downside to PDF?

Of course there is, its security from another point of view, is a disadvantage - because the protection is too good, so it is difficult to edit. PDF's original development goal is to "protect the content and layout of the document," the development of such a goal also leads to PDF documents in the text, images are difficult to be changed, and even from it. This development goal also leads to PDF documents in the text, images are difficult to be changed, and even extract information from them is a not a small challenge.

First of all, let us understand what PDF and why everyone is using it. PDF is a portable document format, invented by Adobe in the early 1990s. It is a popular format for presenting programs, reports, and graphics, and has almost become the norm in the workplace. However, many people are confused as to why they choose PDF over PPT, which seems to be easier to modify. Next, we will delve into the origins of PDF, its characteristics and why people prefer to use it.

The origin of PDF format can be traced back to the early 1990s, when Adobe invented this portable document format. Its full name is Portable Document Format, meaning "portable document format". This format was originally designed to solve the problem of document compatibility between different platforms and devices.

PDF format has many unique features, the most important of which is the invariance of the content and a high degree of security. First of all, no matter what computer, operating system or medium you use, the content format of PDF documents will not change. This means that you can open the same PDF file on different devices without worrying about problems such as garbled content or jumbled lines. Secondly, PDF files have high security. You can set a password for the file to protect its security and set permissions such as printing, editing and copying. In addition, you can also add a watermark to prevent the document from being forged.

So why does everyone prefer to use PDF? Practitioners in every industry have their own reasons. In the advertising industry, for example, before the proposal, the most worrying thing is the program leakage. Choosing PDF makes it easy to get a level of file protection that other document formats can't offer. As long as permissions are set up in advance, it is difficult for others to steal ideas by copying and pasting.

However, PDF also has some drawbacks. From another perspective, its security is also a problem - because it is too well protected, so it is difficult to edit. PDF was originally developed to "protect the content and layout of the document", which also led to PDF documents in the text and images are difficult to be changed, and even extract information from them. difficult to be changed, and even extract information from it is also a challenge.

In summary, PDF is a document format with many unique characteristics. The invariance of its content and its high level of security make it the preferred choice of many people. However, due to its difficult-to-edit nature, we also need to weigh the pros and cons when using it.