NextPDF Form Filler offers high value features. Supports various output formats, e.g. simple PDF form, flatten PDF form, FDF and XFDF files.Opens different formats such as PDF form, FDF form and XFDF form. Can be filled with the words of English, Chinese Traditional and Chinese Simplified. Provides automatic E-mail As Attachment when finishing form filling. Add graphic / text as watermarks or lay as background of PDF documents. Convert PDF file into .txt file. Users may convert a batch of PDF files into text files at one go (also support Asian languages) Merge two PDF documents into one single document. (By repeating this action, three or more PDF documents can be merged into one). Delete and selete certain pages of a PDF document hence creating a new PDF document. Can switch to different language user interfaces easily, they are English, Chinese Traditional and Chinese Simplified.