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ConvertBox

Merge PDFs

Combine multiple PDF files into one

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Select PDF files

You can select multiple files at once

Max file size: 100MB β€’ Multiple files allowed

How to Use

  1. Select PDF files to merge
  2. Adjust file order with ↑↓ buttons
  3. Click "Merge PDFs" button
  4. Merged PDF will be downloaded automatically

All processing is done in your browser, and files are never sent to a server.

Frequently Asked Questions

How many PDF files can I merge at once?
There is no specific limit on the number of files. However, since all processing happens in your browser, very large files may take longer to process.
Will the merged PDF maintain the original quality?
Yes, the merge process preserves the original quality of each PDF. No compression or quality loss occurs during merging.
Can I change the order of PDFs before merging?
Yes, you can easily reorder files using the up and down arrow buttons before merging.
Is my data safe when merging PDFs?
Absolutely. All processing happens locally in your browser. Your files are never uploaded to any server.