Merge PDFs

Put up to 20 PDFs in order, pick pages from each if you like, and get one PDF. Your files are processed in memory and sent straight back; nothing is stored.

Choose PDFs

or drop them here · up to 25 MB in all

In C#: PdfMerger.Merge(a, b), or new PdfMergeInput(pdf, "1-3") for some pages. How merging works