Sunny2soft PDF Editor - Version 1.0 Nowadays, PDF is one of the most common used electronic file formats. Portable Document Format (PDF) is a file format which is able to present documents in a manner independent of application software, hardware and operating system. In other words, PDF is such a useful file formats to share and store information. As we all know that we just can mark or highlight some content on PDF file but not allows edit the PDF such as adjusting the style or insert new contents. Here we are going to introduce you a simple tool called Sunny2soft Free PDF Editor. When you receive a PDF file from customers and you want to add some new contents on PDF file, with the help of Sunny2soft Free PDF Editor, you can click the insert text button and enter the text on PDF with ease. Then if you have to view the PDF commercial file and put your suggestion on PDF file, then you can use free PDF editor to realize this function for you.