PDF Merger
Combines two or more PDF files into a single document. Runs entirely in your browser — your PDF is never uploaded anywhere.
Lilu Baba's PDF Merger parses each PDF's internal structure and rebuilds a single combined document, entirely on your device — no file is ever uploaded to a server.
Choose a file to get started.
How to use this tool
- Choose two or more PDF files.
- Reorder them with the ↑/↓ buttons if needed — they'll be combined in the order shown.
- Click Merge PDFs and download the combined file.
Your PDF is parsed and rebuilt entirely on your device using hand-written JavaScript — nothing is uploaded to any server.
Original Size—
Result Size—
FAQ
PDF Merger — frequently asked questions
No hard limit, but very large or numerous files will take longer since everything is processed in your browser.
No — parsing and merging happen entirely client-side in JavaScript. Your files never leave your device.