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