Cropping trims the edges off PDF pages. On scanned material it is mostly used to remove the black border a scanner leaves when the page is smaller than the glass, which otherwise wastes ink and makes documents look untidy.
The area outside the crop box stops being displayed or printed. Keep the original if you may need the full page later.
Yes, provided the pages are the same size. Mixed page sizes may need cropping in separate passes.
Usually only slightly. To reduce file size properly, use Compress PDF.
These tools handle one document at a time. When the job is thousands of files, Greenbooks handles document digitization as a managed service, including bulk scanning, OCR and metadata capture, with the output loaded into DocuVenta DMS. Talk to us about volume work.
