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🔗 Merge PDF Files

Combine multiple PDFs into one, in the order you choose.

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Click to upload or drag & drop — multiple PDFs supported

Files merge in the order shown below

Pages
-
File Size
-
🔒 Your files never leave your device

How to merge PDF files online

  1. Upload two or more PDFs — drag & drop or click to browse.
  2. Reorder them using the arrow buttons if needed.
  3. Click Merge PDFs.
  4. Download your combined PDF.

Frequently asked questions

How do I merge multiple PDFs into one file?

Upload all the PDFs you want to combine, arrange them in the order you want (top to bottom = first to last), then click Merge PDFs and download the combined file.

Is there a limit on how many PDFs I can merge?

No fixed limit — since merging runs in your browser, the practical limit is your device's memory for larger files.

Are my PDFs uploaded to a server?

No. Merging happens entirely client-side using pdf-lib in your browser — your files never leave your device.

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