Why PDF is so popular?

Adobe PDF (Portable Document Format) is an industry standard for document exchange and archiving. It becomes more and more popular and important in people's life and work. Most people prefer PDF e-books as you can put the eBooks in your Mobil or PDA and view it no matter when and where; governments and enterprises always use PDF to archive the confidential documents. Why people choose PDF? What makes PDF so popular? There are some reasons for this:

Good view feeling

When you read a PDF file, it is just like reading a paper book. PDF files look like original documents and preserve source file information — text, drawings, multimedia, video, 3D, maps, full-color graphics, photos, and even business logic — regardless of the application used to create them and even when compiled from multiple formats into a single PDF Portfolio.

And it's easy to read a PDF file, just with a free PDF reader, you can view PDF files. Readers also can adjust the display size and way for personalized reading.


PDF files are viewable and printable on virtually any platform, including Windows®, Mac OS, and mobile platforms such as Android™, iPad or iPhone. This feature makes PDF be big different from those online resources, CSS, JavaScript, etc. and it is the main reason why PDF is so popular with millions of people across the globe for sharing information.


Password provides a simple way to restrict access and usage of your PDF content. With user password, you can prevent other people from opening it; owner password is used to protect your PDF eBooks from copying, printing and editing. And now, many PDF creation programs, such as Adobe Acrobat and Simpo PDF Creator Pro, support the password-set option to allow you to make your PDF file more secure.

Digital Signature

The digital signature and certificates in PDF file makes the PDF encryption be stronger, especially in business industry. As the digital signature in the PDF assures that the information has not been altered since it was sent and verifies the signer's digital identity.


The statistics shows that there are more than 600 million PDF documents publicly available on the web today, along with countless PDF files in government agencies and businesses around the world, serve as evidence of the number of organizations that rely on PDF to capture information.

How to create PDF

Generally, you can use a PDF creator to create files to PDF format for sharing. Simpo PDF Creator Pro not only creates PDF files from Office and images, but it also combines multiple files to one PDF and set password to protect PDF files.

How to convert PDF

As we know, Adobe Acrobat Pro allows editing PDF, you can easily add text or edit text in a PDF. However, it is very expensive and not affordable for most of us, so many people would prefer this way - converting PDF to editable Word with a PDF converter like Simpo PDF Converter Ultimate, then edit and reuse PDF contents in Word.