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Merge PDF

Combine local PDF files and images into one document in your chosen order. Images are scaled proportionally and centered on A4 pages.

PDF workspace

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Merge PDF Files
Click or drop multiple local PDFs or images
Supports PDF, JPG, PNG, WebP, GIF and BMP. Drag to reorder.
No files yet. Open files to begin.
📌 How it works:
1️⃣ Open multiple PDFs or images to merge them into one file in order.
2️⃣ Drag the ☰ handle to change the merge order.
3️⃣ Images are scaled proportionally and centered on A4 pages.
4️⃣ For special PDFs such as JD or 12306 invoices, enable "Invoice PDF merge mode" below.
For special-format PDFs such as JD invoices. Each file is checked, and PDFs that cannot be merged correctly are converted to images automatically. Image files are embedded directly without changes.

How to use this tool

  1. Open multiple PDFs or images, or drop them into the file area.
  2. Drag the file handles to arrange the merge order.
  3. For special invoice PDFs, optionally enable Invoice PDF Merge Mode and choose a rasterization resolution.
  4. Click Merge and Save to download the combined PDF.

Frequently asked questions

Can I merge images together with PDF files?

Yes. The file picker supports PDF, JPG, PNG, WebP, GIF and BMP. Images become proportionally scaled, centered A4 pages.

What does Invoice PDF Merge Mode do?

It checks each PDF and converts files that cannot be merged correctly into images. Image inputs are embedded directly and are not changed by this option.

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