A lot of online PDF converters can help you easily convert single file to PDF, even some powerful tools with special features such as encrypt output PDF file or add watermark. But if you need convert a lot of files to PDF format, this solution may waste you a lot of time.
Convert hundreds files to PDF format, batch conversion is the best solution. With Spire Free PDF Converter installed on your PC, this could be very easy.
How to Batch Convert Files to PDF?
Download Spire Free PDF Converter here, install and run the application. The conversion process is very easy. And the screenshot below can describe everything clearly.