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