Merge PDF

Merge PDF combine PDF files into one

Choose your PDFs, put them in order and download one combined PDF. Good for certificates, marksheets and documents that a form wants as a single file.

Up to 20 PDFsReorder before mergingNo upload, no watermark

Merge PDF files

Size limit for the merged PDF

Processed on this device. Your PDFs are never uploaded.

How to use it
  1. Choose two or more PDF files.

  2. Use the arrows to set the order.

  3. Press Merge PDFs and download the combined file.

Merging happens inside your browser, so certificates and ID documents never leave your device. Text, links and quality are kept exactly as they were.

Privacy note: Processed on this device. Your PDFs are never uploaded.

Keep going

More useful image tools

Quick answers

Frequently asked questions

How do I merge PDF files into one?

Choose two or more PDFs, set the order with the arrows and press Merge PDFs. Download the combined PDF when it is ready.

Is there a limit on files or size?

You can merge up to 20 PDFs and 100 MB in total, with up to 500 pages, in one go.

The merged PDF is too big for the upload form. What now?

Open Compress PDF from the result and choose 100 KB, 200 KB or 500 KB. It shows the real size before you download.

Are my PDFs uploaded?

No. The PDFs are combined inside your browser and stay on your device.