Combine unlimited PDF files into one — free, instant, 100% private. Nothing is uploaded to any server.
Select multiple PDFs at once • No limit on number of files
Drag files to reorder after adding
Your merged PDF has been downloaded to your browser's download folder.
Merge PDF is a free online tool that combines multiple PDF files into a single PDF document — instantly, right in your browser. There is no limit on how many PDF files you can merge. No file is uploaded to any server. Everything is processed on your device, keeping your documents 100% private and secure.
How to use: Select or drop multiple PDF files, drag them to set the order you want, then click Merge PDFs. Your combined PDF downloads immediately.