In the context of cryptography, encryption serves as a mechanism to ensure confidentiality. Since data may be sensitive information such as passwords and personal communication may be exposed to potential interceptors. To protect this information encryption allows the lock and protection of documents.
PTSource PDF Knitter
PTSource PDF Knitter allows you to protect and organize your PDF files. You can merge, split, reorder, watermark, encrypt with AES 128 bit, extract images, prevent printing, prevent modifying, password protect and more.

  • Watermark Text
  • Watermark Size
  • Watermark Font
  • Watermark Color
  • Protect PDF
  • 40 Bit Encryption
  • 128 Bit Encryption
  • Restrict Printing
  • Restrict Modification
  • Restrict Extraction
  • Set Reader Password
  • Set Owner Password
  • Extract Images
  • Merge PDF´S
  • Split PDF´S


  • Download the Installer.
  • When Windows says the installer is not trusted, click “more info” and then “run anyway”.
  • Follow the instructions in the installer.
  • You can now launch the software from your desktop.

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