How can I encrypt a PDF using 128-bit strength?
The following sample shows how to use 128-bit strength to encrypt a PDF. Make sure that the option for setting PDF key length is used...
Day: August 3, 2012
How to set an owner password and a user password to a PDF file?
You can set an owner/permissions/master password and a user/open password for a PDF files at the same time. Below is a sample showing how to...
How can I enable high quality printing when encrypt a PDF file?
VeryPDFToobox(Click here to Download)can help you enable high quality printing when set a permissions password. Please view the sample as follows to see how to...
How can I merge PDF files into a new PDF?
The sample below demonstrates a way to merge multiple PDF files into one PDF. The recommended tool is VeryPDFToobox(Please click to free download it).using System;using...
How can I remove some pages from an input PDF file?
Using VeryPDFToobox, you can easily remove any specified pages from an input PDF. Just view the following example to see how to do: The example...
How can I merge PDF files and add a password for the output file?
VeryPDFToobox is a perfect solution, with the help of which, you can easily merge PDF files into one PDF files and set a password for...
How can I merge PDF files when one of them requires password?
The sample codes below demonstrate how you can merge multiple PDF files when one of them is encrypted by an open password or a permissions...
How can I unpack PDF page streams for editing PDF in a text editor?
Please view the following sample codes which clearly show how to unpack PDF page streams for editing PDF in a text editor. The recommended tool...
How can I repair PDF’s corrupted XREF table and stream lengths?
If you have VeryPDFToobox installed on your computer, you can use it to repair corrupted XREF tables and streams length of PDF quickly. The sample...
How can I split a multi-page PDF file into single-page PDF files?
You can split a multi-page PDF file into several single-page PDF files at a time by using VeryPDFToobox. The sample codes show how to split.using...