VeryDOC PDF Margin Cleaning is a Windows utility program that lets you crop or removes the white margins (space) from PDF pages. PDF Margin Cleaning is using image recognition arithmetic to determine margins and crop margins automatically, you needn't select or edit the margins by manual, and this will save lots of your time on crop box editing. PDF Margin Cleaning is a stand-alone application, it doesn't require Adobe Reader and Adobe Acrobat products installed in your system. VeryDOC PDF Margin Cleaning has following features: 1. PDF Margin Cleaning is a standalone software, Adobe Acrobat and Adobe Reader NOT required! 2. PDF Margin Cleaning is use command line version in batch and unattended operations; 3. PDF Margin Cleaning does crop a hundreds of PDF pages in seconds; 4. PDF Margin Cleaning supports concurrent conversion, you can process lots of PDF files at one time; 5. PDF Margin Cleaning supports multi-thread environment, designing for Thread Safety; 6. PDF Margin Cleaning supports drag and drop PDF files; 7. PDF Margin Cleaning supports Win98/ME/NT/2000/XP/2003/Vista/2008/7 (both 32bit and 64bit) platforms; 8. PDF Margin Cleaning is able to retain minimum margin in output PDF files; 9. PDF Margin Cleaning does determine speckles which size less than special pixels, default is 20 pixels; 10. PDF Margin Cleaning does determine black borders which width less than special pixels, default is 8 pixels; 11. PDF Margin Cleaning is able to set temporary folder to store temp files; 12. PDF Margin Cleaning is able to view processed PDF files automatically; 13. PDF Margin Cleaning is able to process owner password and user password protected PDF files; 14. PDF Margin Cleaning is able to process all PDF files in a folder and subdirectories recursively; 15. PDF Margin Cleaning supports all version of Acrobat PDF files;