About

Omni PDF Unlocker helps you remove PDF password protection from documents you are authorized to use, or add passwords and document permissions to a new output PDF.

Features

  1. PDF Unlock: Remove open-password encryption and owner-level restrictions.
  2. PDF Protection: Require a password to open the document and restrict printing or modification.
  3. Batch Processing: Apply one unlock or protection workflow to the top-level PDF files in a selected folder.

How to use

  1. Select a PDF.
  2. Choose Unlock or Lock.
  3. Enter the requested password or protection settings.
  4. Save or share the new output file.
PDF processing takes place on your device. Documents are not uploaded to a Chang Studio server.

Supported platforms

Omni PDF Unlocker is available for iPhone and iPad, Android, Mac, and Windows.

Support

For help or feedback, email psychangstudio@gmail.com. Please do not attach confidential PDF files.