There are lots of scanned PDF files need to be copied, transferred or exchanged often on the Internet. However, scanned PDF documents are made from images and the file sizes are very large. It is not easy to send emails with large PDF attachments.PDF Verkleinern is a Windows utility that compresses scanned PDF files and reduces PDF file size from 30 MB to only 8 MB (Compression Ratio: 23%) fast and easily. This tool allows users to change the compressing value to get better compressed result and content quality. Also, the program supports batch mode and lets users compress hundreds of PDF documents at one time.PDF Verkleinern can save the compressed PDF documents to original PDF folder without overwriting original PDF files. But if you like, it can also output compressed files to a specified folder path.The program can automatically remove the restriction from protected PDF files as well.