PDFill provides a variety of options for PDF files, including encrypt, merge, and split. PDFill is a remarkably full-featured PDF freebie. As well as the usual splitting, merging, encrypting, rotating ...

Windows only: Free utility PDFill can create, update and merge existing PDF files for free. Yesterday we posted Combine PDFs for Mac, and PDFill does the equivalent job on Windows, plus more. PDFill ...