How to combine PDF files

Join multiple PDFs into one document in the exact order you choose.

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To combine PDF files into one document, select the individual PDFs you want to merge, arrange them in your preferred reading order, and join them together. Doclium combines PDFs in your browser without changing page quality, font rendering, or layout fidelity.

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How to how to combine PDF files

  1. 1Open Doclium and drag all the PDF files you want to merge into the drop zone.
  2. 2Drag and drop files or pages to set the exact order you want them combined.
  3. 3Click Merge to combine all pages into a single continuous PDF document.
  4. 4Download your merged PDF or keep working with it in Doclium.

Questions people ask

Will merging PDFs reduce document resolution or image quality?

No. The original page objects, vector text, and high-resolution images are preserved without recompression unless you choose to compress afterwards.

Can I reorder pages after combining?

Yes. You can reorder, rotate, or delete individual pages directly inside the Doclium workspace.

Is there a limit on the number of PDFs I can combine?

You can combine multiple documents up to your session storage limit for free with no account.

Does combining PDFs work on Mac, Windows, and mobile?

Yes. Because it runs directly in the browser, it works seamlessly across macOS, Windows, iOS, and Android.

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