Are my PDFs uploaded to a server?

No. Merging happens entirely in your browser, so your documents never leave your device and nothing is stored by us.

Can I change the order of the files?

Yes. Use the up and down arrows next to each file to reorder them before merging. Pages are combined in the order shown.

Can I merge password-protected PDFs?

No. Encrypted or damaged files cannot be read in the browser. Remove the password first, then merge.

Yes. Merge PDFs online for free after you sign in.

Is there a file size limit?

Yes. Stay within the per-file MB limit shown on the page so the browser can process everything smoothly.

Do I need Adobe Acrobat?

No. The merger runs in your browser and downloads a standard PDF you can open anywhere.

Merge PDF Files

In browser

Combine several PDFs into one document, reorder them before merging, then preview every page and download. Your files never leave your device.

Drop PDFs here or click to browse

Up to 20 files · 100 MB each

Privacy

Nothing is uploaded. Your PDFs are read and merged in your browser and discarded from memory when you close or reload the page.

FormatsPDF

How to use Merge PDF

Pick your PDFs, drag them into the order you want, and merge. Everything runs inside your browser tab, so your documents are never uploaded to a server.

01Select two or more PDF files from your device.
02Reorder the files so the pages end up in the sequence you want.
03Click Merge PDFs — the combined file is built instantly in your browser.
04Preview each page in the viewer, then download merged.pdf.

Questions

Are my PDFs uploaded to a server?: No. Merging happens entirely in your browser, so your documents never leave your device and nothing is stored by us.
Can I change the order of the files?: Yes. Use the up and down arrows next to each file to reorder them before merging. Pages are combined in the order shown.
Can I merge password-protected PDFs?: No. Encrypted or damaged files cannot be read in the browser. Remove the password first, then merge.
Is Merge PDF free?: Yes. Merge PDFs online for free after you sign in.
Is there a file size limit?: Yes. Stay within the per-file MB limit shown on the page so the browser can process everything smoothly.
Do I need Adobe Acrobat?: No. The merger runs in your browser and downloads a standard PDF you can open anywhere.