Merge PDF Files
Combine multiple PDFs into one file, entirely in your browser. No upload, no watermark, no signup.
Select PDFs to combine — they stay on your device.
Built with pdf-lib (MIT), self-hosted.
How to use this tool
- Select two or more PDF files.
- Click Merge & Download.
- Your merged.pdf downloads — nothing was uploaded.
Combine multiple PDFs into one file, entirely in your browser. No upload, no watermark, no signup.
Frequently asked questions
- Are my PDFs uploaded to a server?
- No — merging happens locally with pdf-lib; files never leave your device.