ThunderSoft PDF Converter Pro is a powerful PDF converter and PDF toolbox, convert PDF files to Word, Excel and other popular formats, also good at converting other documents to PDF format. Pro version contains many useful tools, encrypt/decrypt, compress, merge, split and edit your PDF files for various needs.Feature ListConvert PDF to Word, Excel, PowerPoint, TXT, HTML and image formats.Convert Word, Excel, PowerPoint, TXT, HTML and image files to PDF document.Encrypt PDF files with a password.Decrypt PDF files(password needed).Compress PDF files with high compression rate.Merge multiple PDF files into one.Split or extract pages from one big PDF file.Built-in a powerful PDF editing tool.