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Your files stay private
All processing happens right here in your browser. Your PDFs are never uploaded to any server.
How to merge PDF
- Drop two or more PDF files onto the page, or click to choose them.
- Drag the files into the order you want.
- Click Merge and download your combined PDF.
Frequently asked questions
Are my files uploaded to a server?
No. PDF Private runs entirely in your web browser. Your file is read into your device's memory, processed by code running on your device, and saved straight back to your downloads. It never travels over the internet, so we never see it. You can even disconnect from the internet after the page loads and the tool still works.
Is there a limit on file size or number of files?
There is no fixed limit. Very large files depend on your device's memory; most computers and phones handle hundreds of pages comfortably.
Does merging reduce quality?
No. Pages are copied exactly as they are, so text stays sharp and selectable.
Is it really free?
Yes. There is no sign-up, no watermark, no daily limit and no paid tier. Because your device does the work, there are no server costs to pass on.