Thanks for your message, you can download VeryDOC PDF Compressor from following web page, you can use VeryDOC PDF Compressor to compress images in your PDF files easily,

http://www.verydoc.com/pdfcomp…..essor.html

you can run following command lines to compress your PDF files properly,

pdfcompressor.exe -ci jpg -cidown -cidownres 50 -gi jpg -gidown -gidownres 50 -mi fax -midown -midownres 50 C:\in.pdf C:\out.pdf

pdfcompressor.exe -ci jpg -cidown -cidownres 50 -cidowntype 1 C:\in.pdf C:\out.pdf

pdfcompressor.exe -gi jpg -gidown -gidownres 50 -gidowntype 1 C:\in.pdf C:\out.pdf

pdfcompressor.exe -mi fax -midown -midownres 50 -midowntype 1 C:\in.pdf C:\out.pdf