"PDF Editor - Edit PDF with PDFCool" is a "Lite Version" of PDFCool Studio. It can be used to edit and modify PDF documents. It supports 17 kinds of page processing functions like merge, replace, rotate PDF page etc. It also supports several kinds of text edit operations, such as Edit Text, Add Text and Replace Text etc. In addition, it supports adding watermark/page header/page footer/background/attachments and editing bookmarks in PDF documents.