PDF (Portable Document Format) is an industry standard for sharing documents and used by million users for creating and capturing rich information on any computer and sharing it with others. But one should take proper security measures and lock PDF documents with password especially while uploading them on the internet as you would never know when an unwanted user can misuse the information contained in it. So for security reasons you should lock PDF files using proper password protection method before uploading them or sharing them with others.

And to lock and secure PDF files you can completely trust on a tool named Protect a PDF. With this tool users can secure PDF files with both user/open and owner password to prevent any type of unauthorized access. Secure PDF with user password so that no one can open and view it without entering correct password. And lock PDF with owner password to apply restrictions like: copy, edit, print on PDF files. This tool comes with a user friendly GUI and easy to follow instructions so that even an entry level computer user can use it to lock PDF file with password without much technical knowledge. Protect a PDF supports batch processing means you can protect multiple PDF files at once. Here are the other key features of this tool:
- Lock PDF from copying, printing, editing on PDF files with owner password protection
- Restrict unwanted access to PDF documents with user password protection
- Doesn’t require Adobe Acrobat installed in a computer to secure PDF files
- Very Easy to use with user friendly and interactive interface
- Support Windows 98, ME, NT, 2000, XP, 2003, Vista, 7 systems
- Supports PDF files of Acrobat version up to 10.

Download a free trial version now! Visit lockunlockpdf.com