Combine multiple PDF files into one. Drag to reorder pages, then download your merged document instantly.
Select multiple PDFs — you can reorder them below
There is no hard limit on the number of PDFs you can merge. In practice, merging more than 20-30 large files may be slow depending on your device. For very large batches, consider merging in groups.
Yes — drag and drop the PDF tiles to reorder them before merging. The final document will follow the order shown on screen.
No. The tool uses PDF-lib to combine PDFs at the binary level. Images, fonts, and formatting are preserved exactly — there is no re-rendering or quality loss.
Password-protected PDFs cannot be merged without first removing the password. Use a PDF password removal tool first, then merge.
No. All merging happens in your browser using PDF-lib (a JavaScript library). Your PDF files never leave your device.