Use Estelar Secure a PDF utility to add security on PDF files so that you can restrict users to copy content, printing, editing or sharing. Secure a PDF utility allows PDF authors to add security on functions such as copying, printing, editing, page extractions, document assembly etc. Download Estelar Secure A PDF program and set security on PDF documents or eBooks.

Estelar Secure A PDF is an easy to use tool that offers advanced features such highest level of PDF security encryption with 256 bit AES, supports drag and drop functionality, PDF batch encryption. Using this standalone utility PDF authors can encrypt PDF files with Owner Password as well as User Password Protection to prevent unauthorized access to PDF documents. Minimum System Requirements
- Pentium II 400 MHz
- 64 MB RAM
- 10 MB Disk Space