PDF TOOLS · FILES STAY ON YOUR DEVICE

Merge PDF

Combine PDF documents in a chosen order without rasterizing pages.

Your PDF files

Select PDF files

Up to 12 PDF files, 30 MB each, 80 MB combined.

Order of your PDFs

Ready to choose files. Requires locally installed open-source PDF libraries.

Quality and privacy: Files are processed in your browser; PDFs are combined page-by-page. PDF forms, annotations, layers, signatures and embedded attachments may not survive intact. Digitally signed PDFs will lose signature validity; always compare the result to the originals.

The PDF engines are open-source libraries stored on your own hosting when installed. No upload or account is required, and no file contents are transmitted by this tool. This tool has passed limited automated PDF tests; verify important results before relying on them.