We show you how to add notes to a PDF with Microsoft Edge, Adobe Acrobat Online, and the free PDF viewer UPDF.

Learn how to add page numbers to PDF files using free online tools or PC software. You can set position, font, etc., for page numbering.

The SwifDoo PDF multifunctional program allows you not only to create PDF documents, but also to edit existing ones. Needless to say, there is an option to add new pages to edited files.

You can delete pages from a PDF on a Mac using the Preview app. You can also add pages to a PDF in two ways with Preview.

Here is a guide to Batch Crop PDF pages & files using various free online services and free software on Windows 11/10 PC.