You open a PDF document and the pages display sideways or upside down—scanned documents often upload with wrong orientation, making them impossible to read without tilting your head. Worse, when you rotate the view and save, the document opens incorrectly oriented again the next time. PDF rotation tools solve this frustration by permanently changing page orientation so documents display correctly every time you open them, whether you need to rotate a single misaligned page or fix an entire document scanned horizontally. This guide explains everything you need to know about rotating PDF pages in clear, practical terms. You'll learn why rotation often doesn't save (a major source of user frustration), how to permanently rotate pages, the difference between view rotation and page rotation, rotation options for single or multiple pages, and privacy considerations when using online rotation tools. What is PDF Rotation? PDF rotation is the process of changing the orientation of pages...