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PDF files only · stays on your device
PDF Merger
Combine multiple PDF files into one document
FAQ
Are my PDFs uploaded when merging?
No, merging is done in your browser with pdf-lib. Contracts and private documents never leave your device.
Can I control the page order?
Yes, drag files to reorder them before merging; the output follows your arrangement.
Is there a limit on file count or size?
No fixed limit, it depends on your device's memory. Dozens of typical PDFs merge without trouble.