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VeryPDF Encrypt PDF


Encrypt PDF

  • Secure PDF with passwords
  • Control the use of your PDF
  • Do NOT need Adobe Acrobat
Free Online PDF DRM Security
Free Online PDF DRM Security

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Version 2.3

VeryPDF Encrypt PDF COM is a COM designed to assist software programmers to quickly add VeryPDF Encrypt PDF utility to your applications. A tool like this can be very helpful when you need to encrypt PDF with open password and master password. VeryPDF Encrypt PDF COM encapsulates all the details required for quick integration.
Want to add 256bit-AES, Digital Signature and Linearization to existing PDF files?

Operating Systems

All Windows platforms, like Windows 2000, XP, Vista, 7, Windows Server 2003, 2008, 2008 R2 – 32 and 64 Bit, etc.

Supported Programming Languages

C#, VB .NET, MS Visual Basic, Borland Delphi, VBA (MS Office products such as Access) and C++ via COM, C and C++ via native C.

Sample: ASP

Public Function veryEncryptPDFEx(ByVal inFileName As String, ByVal outFileName As String, EnctyptLen As Long, permission As Long, ByVal OwnerPassword As String, ByVal UserPassword As String) As Long


    veryEncryptPDFEx = veryEncryptPDF(inFileName, outFileName,

    EnctyptLen, permission, OwnerPassword, UserPassword)


End Function

Sample: Visual C++

void main()


    int encyptlevel,permission=0;

    char srcpath[_MAX_PATH];

    char despath[_MAX_PATH];

    BOOL m_bIsSucceed = FALSE;





    //example 1







    m_bIsSucceed = veryTestEncryptedPDF(despath,"owner","user");


    //example 2







    m_bIsSucceed = veryTestEncryptedPDF(despath,



Sample: Visual Basic

Private Sub Command1_Click()

Dim very_ID


    Encrypt "test1.pdf", "test1_encrypt.pdf", "owner", "user"


End Sub

After typical examples VeryPDF Encrypt PDF COM can be applied in, welcome to go to Try and Buy to download COM version to know more helpful examples.

Specification of VeryPDF Encrypt PDF COM

  • Support all features of VeryPDF Encrypt PDF and all features of VeryPDF Encrypt PDF Command Line
  • Does not require Adobe Acrobat, it is completely standalone technology.
  • This component can be invisible at run time.
  • Quick integration of VeryPDF Encrypt PDF COM component is easy since sample Source codes are provided.
  • Built in Dialogs (GUI and CMD) for quick conversion, and Advanced conversion tasks.
  • File conversion is exceptionally fast.
  • Available DLL and COM interface in any program languages
  • Always stable and multithread safe
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