Tag Archives: encrypt PDF

Is it possible to make PDF content readable but uneditable and secure by Visual C++?

Question: Normally, PDF files can be edited by applications like Adobe Acrobat Writer. And when we open the PDF files in applications like adobe acrobat reader, we can select the contents. I need the codes of Visual C++ that can … Continue reading

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How to put a password in PDF in batch from Visual C++?

Question: Is there any tools or DLL that can encrypt PDF? Example I have 1,000 PDF files I want to put a password on each PDF? The password will be different on each file. Answer: According to your needs, maybe … Continue reading

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How to encrypt PDF by command line under Mac system?

In this article, I will show you how to encrypt PDF by command line under Mac system including Mac OS X v 10.5, 10.6, 10.7 and later versions. The software I use is named as VeryPDF PDF Toolbox Shell for … Continue reading

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When encrypt PDF in batch, VeryPDF Options

When you need to encrypt PDF in batch, VeryPDF provides the following options for you to choose. You can compare them then choose the proper one according to your needs. I will list all of them here for you to … Continue reading

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Control Print Quality by Setting Owner Password to PDF

VeryPDF PDF Toolbox can be used to control printing quality of PDF file. It is known to all that when set owner password to PDF file, we can disable many options like printing, changing, copying and so on so forth. … Continue reading

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