What is PDF in the end? Why is everyone using PDF?

PDF document format will be programs, reports, graphic information presented to customers, it seems that the workplace can be agreed rules. This is like not having a "know why and do not know why" dilemma, that today,convert word to pdf online free without losing formatting we are now to deep dive into the PDF, together with the "know why"!

PDF format from where?

PDF's full name is Portable Document Format, translated as "Portable Document Format", which is Adobe in the early 1990s invented an interactive document format.

What are the characteristics of PDF format?

PDF is a popular document format in the world. It has many features that cannot be replaced by other formats.

- Unchanging Content

PDF document content format with the device, operating system, media, that is, no matter what you change the computer, with what system, and even print the document content on paper, the content format will not change,merge 2 jpg files into 1 pdf so you do not have to worry about the content of the document messy code mess line.

- High security

This is one of the reasons why PDF is so popular. You can choose to set up a password as well as the way to protect the information security of the document, and then set up printing, editing, copying and other permissions, but also by choosing to add their own way of watermarking to be able to prevent document forgery.

Why PDF?

Each industry has its own reasons for using PDF. Prior to this proposal, one of the biggest fears of those in the advertising industry was that it would be leaked. By choosing PDF, it is easy to get a level of document protection that other file formats cannot provide,pdf editor free and by setting permissions in advance, it is difficult to copy and paste ideas in the same way that others copy and paste.

Are there disadvantages to PDF?

Of course, its security is also a disadvantage on the other hand - because the protection is too good, so it is difficult to edit. PDF was originally developed to "protect the content and layout of the document", which also makes it difficult to change the text and images in the PDF document, and even extracting information from it is a big challenge. Even extracting information from them is a big challenge.

Is there a way to overcome this shortcoming?

In the early years of the Internet is not particularly developed, we usually use "print - scan" or manual input method to extract information from PDF documents, but the efficiency is too low. Good thing that later appeared a lot of PDF software, not only can read, but also edit the document content.