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Free PDF tool

Merge PDF

Combine multiple PDF files in the order you choose without uploading them.

Local PDF workspace

Merge PDF

Combine multiple PDF files in the order you choose.

Drop PDF files here or choose files from your device Drag file rows to change their order. Maximum total size: 50 MB.
Selected files0 files

Your selected files will appear here.

Tool options

Nothing is uploaded

Privacy: Your files are processed inside this browser tab. This tool does not upload or store them on Trezonic.

How to use Merge PDF

  1. Add two or more PDF files.
  2. Drag the file rows into the required order.
  3. Select Merge PDF, check the preview, and download the result.

Merge several PDF files locally in your browser. Choose the files in the right order, merge them, and download one combined PDF.

Private by design

The built-in engine processes selected files inside this browser tab. Trezonic does not upload or store them. If you arrived from the PDF Hub, its temporary on-device handoff is deleted as soon as this tool reads it.

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Helpful answers

Merge PDF FAQ

Can I change the file order?

Yes. Drag a file row or use its up and down controls before merging.

Are my PDFs uploaded?

No. The built-in merge engine runs in this browser tab.