Junko is a free tool that lets you split PDF files into separate documents by page range or number or combine many PDFs into larger files. By splitting large PDFs into multiple smaller files, you can work on just the pages or sections you need, and they're easier for small apps to handle. Combining multiple PDFs is useful for creating manuals and other multipage documents. Junko is powered by PDFsharp, the open-source .NET library of PDF wares.
Junko's interface is very basic and opens with a blank main view, but it's Aero-compatible and has a customizable toolbar. … Read more