Is the PDF merger free?

Yes, completely free with no signup required.

How many PDF files can I merge at once?

There is no hard limit on the number of files. Each file must be under 50 MB.

Yes. Drag and drop the files in the list to set the page order before clicking Merge.

No. Files are processed entirely in memory and are never stored on the server.

Combine multiple PDF files into one document — free, no signup

Files are never stored. All processing happens securely on the server.