PDFSwitch AI

Merge PDF

Combine multiple PDFs into a single document, in any order.

  • 🔒 Files deleted after 1 hour
  • ⚡ Secure 256-bit SSL
  • ⭐ 4.8/5 from 12k+ users

How to merge pdf

  1. Upload PDFsDrop the PDFs you want to combine, in the order you want them.
  2. MergeWe join them into a single, clean PDF.
  3. DownloadGet your merged document instantly.

Frequently asked questions

How many PDFs can I merge?

You can combine up to 20 PDFs per job.

Can I reorder pages?

Yes — remove and re-add files to set the order before merging.

Are bookmarks preserved?

Bookmarks from each source PDF are kept when possible.

Is there a file size limit?

Up to 100 MB per file.