Spire.PDFConverter for .NET is a powerful PDF converting program which enables user to convert different office format files to PDF. Support converting Doc to PDF, Excel to PDF, Text to PDF, HTML to PDF and all images to PDF. Spire.PDFConverter for .NET supports batch conversion which can convert hundreds of files into PDF at one time. This can help you save a lot of precious time.

As a professional PDF converting program, Spire.PDFConverter for .NET offers some special features. It enables user to encrypt output PDF files by setting own/user password and permissions such as print, copy, edit, etc. With this function, your files can be very safe and you'll never afraid its security. Spire.PDFConverter for .NET supports setting password/permissions with batch mode.

Furthermore, with Spire.PDFConverter for .NET, users can add watermark on output PDF files. Spire.PDFConverter for .NET provides text watermark and image watermark to users. It's very easy to use and also supports batch adding mode.

Spire.PDFConverter for .NET is also a friendly PDF Converter. It allows user to add a whole file folder and automatically recognize files to convert. It enables user to choose output folder and directly open to check after conversion. And it offers fast converting speed, high quality and it's a totally independent program.