

But, pdfrw is known to be super fast compared to PyPDF2 and supposed to work well with reportlab. It is still overlaying one page at a time. If so, you could use this (modified from example used to illustrate watermarking). But based on the code you present, it seems you meant overlaying one pdf over another, right? Or in other words, you want page 1 from both pdf1 and pdf2 to be combined in to a single page as part of a new pdf. Normally when people want to 'merge' documents they mean 'combining' them, or as you point out, concatenate or append one pdf at the end of the other (or somewhere in between). Simply click and drag your files to our online tool, and we merge PDFs for free into one. Click Export to save selected pages as separate PDF files. Merge files into a PDF with our cloud-based tool is easier than ever. Select the page range to extract using the mouse and the Ctrl or Shift keys. The conversion process will totally be done on our server. Once you will upload the document to our website, it will be stored on our server for 24 hours. In using our service you dont have to worry about the space of your computer.

and merge an unlimited number of PDF documents into a single PDF file. PDFtoWorder.Com is a fully online-based application and it allows you to merge your PDF files fully free. 1pdf is a free online service offering unlimited use. PDF splitter & merger combine merge split PDF files based on page ranges and page. But since I was going to post an answer I made it long. Add your PDF file using the Choose Files button or by dragging and dropping it into the upload area. This free online tool lets you merge and combine 2 or more PDF files in one single file. I do not have enough 'reputation' to comment.
