iSkysoft PDF Editor is a PDF tool with all the basic functions you might want in this type of tool. This tool has made up the editing of pdf document very easy. It will allow you to text, images, pages, and links in pdf files. You can add highlights and comments to a particular file. It will allow you to remember many things about those files. You can not only merge multiple files in it. But, it will provide a feature which will allow you to split a PDF file into multiple files. You can also convert PDF files from any file format as well as to any file format. Then, it can convert existing form to fillable form as well as extract data from a PDF form.