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How to add hyperlink to a PDF file

Did you know you can add hyperlinks to any PDF easily with just a few clicks? When you use VP Online PDF editor you can add and edit hyperlinks in any PDF file. The process is simple and fast. Once …

Can I turn my PDF into a Flipbook?

Want to add more spice to your PDF?  Or want to present your PDF in flipbook format?  VP Online PDF Editor can help you create a flipbook from your PDF file.  You don’t need to re-create anything, or install any …

What else can a PDF do?

Beside being the most versatile document format.  PDF file can also be used as a presentation medium.  We know we can convert PDF into various document formats and vice visa.  But PDF can also be converted into a flipbook.  That’s …

How to remove pages from a PDF file

Today we will show you how to remove pages from a PDF file without the need to install a software.  Sometimes we have duplicated pages in a PDF or simply have pages that we no longer need.  VP Online PDF …

How to add text to a PDF file

While reviewing your PDF documents for your client you realized there are content you want to add.  Or you are a designer and came up with a brilliant idea that you want to share with the the rest of the …

How to add a password to PDF Online

Your PDFs may contain important information or sensitive content.  In these cases you want to protect it with a password and restrict permission from further editing or writing.  But before you go ahead and apply a password to the PDF …

How to unlock PDF online

Some PDF files are locked to restrict functions such as printing or editing. Protected PDF is often used in order to safeguard your data. For example: bank statement, invoices, or a phone bill may contain private and sensitive information. Therefore …

Use Case Scenarios as Test Cases

What is Software Testing?

Software testing is the act of checking the artifacts and behavior of the software under test through validation and verification. Software testing also provides an objective, independent view of the software, enabling companies to appreciate and …