Merge PDF
Combine several PDFs into one file, in the exact order you choose.
Split PDF
Pull out page ranges, or cut a PDF into equal parts every few pages.
Remove pages
Delete the pages you do not need and keep the rest, in order.
Add blank pages
Insert one or more blank pages after any page, for notes or spacing.
Rotate PDF
Turn sideways scans upright. Rotate all pages or only the ones you pick.