CategoryPDF

As Kindle is widely used, people can read the books on Kindle everywhere. If you are looking a way to convert a Kindle file to a PDF to read your Kindle ebooks on Android, iPhone and iPad, there are several online tools that can assist you in this process. However, one of the most popular […]

PDF format is popular used in daily life. We read books in PDF documents, study with PDF tutorials, do some business via PDF contracts or proposals. Sometimes, you will encrypt the PDF files to protect your work and privacy. In this case, if you forget your password of the encrypted PDF documents, you are supposed […]