How to merge PDF files
- Drop the PDFs you want to combine — or click to choose them.
- Drag the thumbnails into the order you want.
- Click Process. Your merged PDF downloads instantly.
Your files never leave your device — merging runs entirely in your browser.
Frequently asked questions
Is there a file limit? There's no hard limit, but very large files depend on your device's available memory.
Do you upload my files? No. This tool processes everything locally in your browser.