What does PDF mean?

PDF is short for Portable Document Format, which means“Portable Document data Format,” and is used by Adobe Systems for application research programs, operating systems, and hardware platforms, independent of the exchange of relevant file information, developed by their own file content format. PDF file is an image model based on Postscript language. circuit printing service No matter what technology printer is used, it can guarantee the accuracy and accuracy of printing teaching effect, that is, the PDF file will faithfully reproduce the manuscript of each Chinese character, color changes and images.

Portable file format is an electronic file format. This is a platform-independent file format, which means PDF files are common on Windows, Unix, and Mac operating systems. PCB fabrication company This feature makes it an ideal document format for electronic document distribution and digital information dissemination on the internet. PDF files are increasingly used in e-books, product descriptions, company statements, web profiles, and e-mail.

Generally speaking, PDF documents have the following characteristics:

PDF file is a programming form of document format, it all shows the content, are drawn through the corresponding operator.

The basic display units of PDF include: text, picture, china PCB vector picture and picture.

PDF extended business unit mainly includes: Watermark, electronic signature, notes, forms, multimedia, 3d

PDF action unit: bookmarks, hyperlinks (for beginners, this is easy to understand. For those who go deeper, there are many action units, including electronic signature, multimedia, 3D and so on. )

Pros: 1. Easy to create: almost all major document editors have a“Save as PDF” option, so users can convert various documents to PDF at any time, and then send them, even if they don't have a professional PDF editor on hand.

Strong compatibility: PDF documents can be embedded in almost any mainstream multimedia format and support DRM copyright protection, so many publishers will use this format to make e-books.

Rich tagging tools: reading a PDF ebook is also a great experience for readers. In general, though, you can't modify the contents of a document as directly as a Word document. However, readers can add colorful notes, such as Bloom's. This is very close to the experience of reading and taking notes, so the experience is very good.

Integrity of content: Some people say that if we are just enterprises, it is better to cut a picture in order to make each other look the same. It may be possible for relatively simple and casual occasions, but the pictures are easily converted by various data formats, and some details are lost due to changing the structure size, and even forged by PS. Therefore, if they are mainly used by their own majors, it is recommended that the PDF should not be modified at will in China.

Security: in addition to not being editable freely, PDFS supports password protection to ensure that content is not tampered with. These two features make pdfs particularly popular with business people and even the legal community.

Small size: Many people will scan paper documents into pictures and save them directly on the hard disk, and the obtained files are very large. But if converted to PDF, it can usually reduce the volume by about a quarter; You can also embed multiple images in the same PDF document, which is more professional than putting a bunch of images in a folder or zip package.

All the advantages of PDF documents, is there any software to create and edit PDF documents? Of course, Wanxing PDF is such a software. The interface is simple and easy to use. You can annotate PDF documents and convert PDF documents to HTML, Word, PowerPoint, and other formats.