About Merge PDF
Merge multiple PDF files into a single document in seconds. Fast, free, and secure – all processing done in your browser.
How to use this tool
Click the upload area to select two or more PDF files. Arrange them in order, then click 'Merge PDFs'. Your combined document will download automatically.
Frequently Asked Questions
Q: Is there a file size limit for merging PDFs?
No fixed limit – performance depends on your browser and device memory.
Q: Is my data sent to a server?
No. All processing is done locally in your browser. Your files never leave your device.
Q: Can I merge password-protected PDFs?
You will need to unlock the PDF first before merging.