Simpo PDF Creator is a powerful PDF writer, with which you can easily create PDFs from any program that is able to print. It can be used as a printer in Word, Excel, PowerPoint or other Windows application. Thus, you can convert Word to PDF, Excel to PDF, PowerPoint to PDF, Image to PDF, etc. This excellent PDF creator secures your PDF documents with strong 128bit encryption and allows setting password to protect the files. Besides, you can disallow Printing of the document, disallow Copying of Text and Images, disallow Modifications to the document and disallow Modifications to comments.