
How to Change Default PDF Viewer on Windows?
PDF is the commonly used format in daily work. Most of e-books and documents are saved as PDF. But, when you don’t like the default PDF viewer on Windows, how can we change the viewer? In this essay, we will tell you how to change default PDF viewer.
Recommended 3D PDF Viewers
A useful 3D PDF viewer helps us view the 3D contents. In this essay, we will introduce 3 3D PDF viewers to you.
How to Unlock PDF?
Now, PDF is one of the common file formats. It is usually used to save the important contents which cannot be modified. You can use some tools to unlock the file when you forgot the password of the locked PDF file. In this essay, we will talk about how to unlock PDF and how to protect the locked PDF well.
PDF Converter: How to Convert PDF to PowerPoint?
PPT, the combination of images and text, is used in presentation, lecture and report. How if you want play the PDF pages as PPT? In this essay, we will talk about how to convert PDF to PowerPoint with a PDF converter.
How to Extract Pages from PDF?
PDF is one of the common formats in digital documents because it is safe, clear and integrated. Many articles, e-books and documentations are saved as PDF. However, the PDF files cannot be copied, pasted and modified directly. How to extract pages from PDF? In this essay, we will show you some methods.
PDF Converter: How to Convert PDF to Text?
In these recent years, PDF is clear, safe and integrated. Usually, a file should be converted between PDF and the other formats. For example, many articles and e-books are saved as PDF, but some digital devices merely support the .txt format. In this essay, we will talk about how to convert PDF to text with PDF converters.
How to Save Webpage as PDF?
Generally, we save a webpage as a HTML file. But this format is not easy to view. How about saving webpage as PDF? The PDF files are clear, safe, integrated and easy to save. In this essay, we will talk about how to save a webpage as PDF.
How to Make an Editable PDF?
Compared with Microsoft Office, PDF is a better carrier of fonts, shapes, formats and colors. Originally, users couldn’t edit the PDF files. Later, people develop various PDF editors used to edit PDF files and convert PDF to the other formats. In this essay, we will talk about how to make an editable PDF file.
How to Rotate a PDF?
Many people prefer to save files as PDF because it is convenient to transfer and print. However, when most of the pages are vertical, we should adjust the horizontal pages. In this essay, we will talk about how to rotate a PDF.
PDF Converter: How to Convert PDF Image to DOC?
If you want to convert PDF to the .doc document, you should depend on the OCR technology which can greatly improve the character recognition. In this essay, we will introduce a useful PDF converter, Renee PDF Aide, and tell you how to convert PDF to DOC.




