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Merge PDF files

Combine multiple PDFs into one, in whatever order you like. Everything runs on your device: your files are never sent to a server.

Drag PDF files here

or choose from your computer, add as many as you like

How it works

  • Add files in any order, then use the up/down arrows to arrange the order they'll appear in the final PDF.
  • Merging happens locally using pdf-lib, a client-side PDF library. Nothing is uploaded.
  • Page counts shown per file are read directly from each PDF so you know what you're combining before you merge.