PDF Scan Optimizer is the great application that can easily and quickly optimize scanned PDF files. It helps to correct the skew scanned image within PDF, convert scanned images to monochrome black/white in PDF, reduce PDF file size by DPI, by Scale, by Width and Height and delete the blank pages in PDF.
How to de-skew, black/white, rescale and remove blank page in scan PDF files?
1.Download PDF Scan Optimizer, install and run it.
2.Add PDF files. Click "Add Folder" to load PDF folder or press "Add" button to load multiple PDF files.
3.Tick optimizer options.
You can turn on "de-skew scanned images in pdf", "convert images to monochrome in pdf", resample-reduce the file size" and "delete blank page in pdf" according to your own needs.
4.Define output PDF path.
Click right-bottom "Optimize and Save as" to specify an output destination to save the optimized PDF files.
5.Start to optimize scanned PDF files.