pdfcrypt allows you to encrypt a PDF (40 bits and 128 bits), set permissions, add user and owner password.
For example you can encrypt a pdf without to allow to print it. The button to print the file will be disabled in Acrobat Reader application.
For example you can encrypt a pdf allowing the user to read it only if he know the correct password
It's simple to use it like a batch application to set permissions to every PDF in your archive.

Encrypt PDF files with passwords and
gives you a high degree of control, letting you allow or disallow such actions as changing, printing, copying, extracting, signing, filling, assembling or merging a PDF file. With this utility, you may decrypt PDF files as well.

Protect PDF files against unauthorized access and encrypt them! The program limits the access to PDF documents. You decide if a PDF file can be printed in th Acrobat Reader or if somebody may copy or edit the text. You can deside if the user have to enter a password in order to view the file. It is also possible to decrypt PDF files. If they are protected by a password you have to know the password in order to decrypt the file.

PDF Editor Toolkit is a library that can generate and edit PDF document, it supports most of the standard features of PDF file. With PDF Editor Toolkit, you can create PDF document from your program, PDF Editor Toolkit also allows you to easily append, split, merge, stamp, encrypt and decrypt PDF files. PDF Editor Toolkit is useful for VC, C++, VB, Delphi developers. PDF Editor Toolkit does not require Adobe Acrobat, or even Acrobat Reader.

PDF Editor Toolkit is a library that can generate and edit PDF document, it supports most of the standard features of PDF file. With PDF Editor Toolkit, you can create PDF document from your program, PDF Editor Toolkit also allows you to easily append, split, merge, stamp, encrypt and decrypt PDF files. PDF Editor Toolkit is useful for VC, C++, VB, Delphi developers. PDF Editor Toolkit does not require Adobe Acrobat, or even Acrobat Reader.

PDF Editor Toolkit is a library that can generate and edit PDF document, it supports most of the standard features of PDF file. With PDF Editor Toolkit, you can create PDF document from your program, PDF Editor Toolkit also allows you to easily append, split, merge, stamp, encrypt and decrypt PDF files. PDF Editor Toolkit is useful for VC, C++, VB, Delphi developers. PDF Editor Toolkit does not require Adobe Acrobat, or even Acrobat Reader.

rotect Flash, PDF, Powerpoint, Video, Images and other file types like Word or EXE. Every document which can be printed with a printer driver can be protected. Predefined workflow without programming. Available in 12 languages. Content Protection / Time limited versions / Software Copy Protection / Network licence per PC, User, Floating Licence / Shop Integration

Encrypt PDF software is a very flexible and powerful program, Encrypt PDF software allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password. For example you can encrypt a PDF without to allow to print it. The button to print the file will be disabled in Acrobat Reader application.

Encrypt PDF SDK-COM is a very flexible and powerful component, Encrypt PDF SDK-COM allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password. For example you can encrypt a PDF without to allow to print it. The button to print the file will be disabled in Acrobat Reader application.

Encrypt and decrypt PDF files
Supports PDF user password and owner password protection
Password protect opening of the PDF document
Disable printing of the PDF document
Disable copying of text/graphics
Disable modifications to PDF the document
Password protection for PDF files with 40 or 128 bit encryption
Examples in VB, ASP, VB Script are provided.

Encrypt & Decrypt PDF allows you to Encrypt and Decrypt protected Adobe Acrobat PDF files in batch mode. With this software, you may freely secure your PDF files from being printed, changed, copied, extracted, signed, filled, assembled and/or merged, and you also may remove the password of your PDF files, if you already know the owner or user password. All versions of Adobe Acrobat are supported.

Encrypt PDF software is a very flexible and powerful program, Encrypt PDF software allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password. For example you can encrypt a PDF without to allow to print it. The button to print the file will be disabled in Acrobat Reader application.