Merge PDF

Select or drag several PDF files, reorder them, and merge them into a single document that respects exactly the order you chose. Shows the name, size, and page count of each file before merging. The whole process happens in your browser via pdf-lib — no file is ever uploaded to a server.

Processed on your device, no AIhasta 30 archivos, 60 MB por archivo, 200 MB en total

Drag your PDFs here, or

up to 30 files, 60 MB per file

Your files are processed on your device and are never uploaded to the server.

Use cases

How to use this tool

  1. Select or drag several PDFs
  2. Reorder them as needed
  3. Merge and download the result

Frequently asked questions

Is my PDF uploaded to a server?
No. The merge happens entirely in your browser; no file is ever transmitted.
Can I merge a password-protected PDF?
No. This tool never tries to bypass a password; if a PDF is encrypted, it's clearly flagged and not processed.

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