What it is
The PDF Merger joins several PDF files into one, in the order you choose, without installing software and without uploading anything.
How to use it
- Add the files, dragging them in or picking them from your device.
- Put them in order. Drag the thumbnails until the sequence is the one you want. This is the step people skip and then regret.
- Merge and download the single file.
Where this actually comes up
Almost always paperwork. A form that must be sent as one attachment, when the scanner produced one PDF per page. A set of receipts for an expense claim. Contract pages signed at different times. A portfolio assembled from separate exports. An application that accepts exactly one file.
Your documents never leave your device
This deserves attention here more than in most tools, because the files people merge are contracts, medical records, invoices and identity documents.
The merge runs entirely inside your browser. Nothing is uploaded to a server, nothing is stored, and nobody can see the contents. Free online PDF services frequently do the opposite: they receive your file, process it on their infrastructure and keep it for a period stated somewhere in their terms. Here there is no such period, because there is no copy.
What is kept and what is not
Page content, images and text are preserved exactly. Bookmarks and form fields from the original files may not survive the merge, which is normal for this kind of operation and worth checking if the document has fillable fields.
To do the opposite and pull pages out of a PDF, use the PDF splitter. To turn images into a PDF first, use JPG to PDF.