Key Fetures of Estelar PDF Defender Software


Protect a PDF File Instantly

Estelar PDF Security Defender Tool protect a PDF file in just few seconds and allows users to disable the copy, print and edit feature of the PDF document.


Support Batch Conversion Mode

Import batch PDF files to to the program and secure them to restrict printing, copying, editing and page extraction etc.


Easy to Use Tool

Estelar PDF Defender is an easy to use tool that comes with user friendly interface and easy to follow screen instructions means even an entry level computer user can use it to secure a PDF.


Supports 256-bit AES Encryption & Maintains Data Integrity

Software Protect PDF file from 40-bit RC4 encryption to latest 256-bit AES encryption. It doesn't hamper the data integrity and file formatting of the orignal PDF file in any way during the process of applying restrictions on a PDF file.


Comes with 60 Days Money Back Guarantee

This tool comes with 60 days money back offer means if the software doesn't match up to your expectations and fails to protect a PDF, we will refund your money back. However, use of trial version is recommended before purchasing the licenced version.


A Standalone Utility

Estelar PDF Defender is an independent utility means you don't need to have Adobe Acrobat Reader installed on the system to protect a PDF file.


Free 24/7 Customer Support

We provide our customers 24/7 technical support and guidence. Feel free to contact us If you're facing any problem with our product or you have a query about our product. 

Minimum System Requirements

Check the following minimum system requirements before downloading and installing the software:


  • Support Microsoft Windows 2000, 2003, 2008, XP, Vista, or Windows 7 (32-bit or 64-bit)
  • Support Adobe Acrobat 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 and Acrobat 9.0
  • Processor Pentium II 400 MHz (Pentium 4 is recommended)
  • 64 MB of RAM (128 MB is recommended)
  • 10 MB of Free Disk Space