PDF Protection Tool

Protect PDF files with passwords online for free. Add user and owner passwords to secure your documents.

How to Protect PDF
Simple steps to secure your PDF with passwords
  1. 1

    Upload PDF File

    Drag and drop your PDF file or click to browse. Only one PDF file at a time.

  2. 2

    Set Passwords

    Enter user password (required to open). Owner password is auto-generated if omitted — it is required for permission restrictions to work.

  3. 3

    Choose Restrictions

    Select what users can do: print, copy, modify, etc. Then click 'Protect PDF'.