Merge PDF
Combine multiple PDF files into one document. Drag to reorder.
Drop PDF files here
or click to browse — select multiple files
PDF only · No file size limitHow to Merge PDFs
1
Upload Your PDFs
Click the area above or drag and drop multiple PDF files at once.
2
Reorder if Needed
Drag the handle icon to rearrange PDFs into your preferred order.
3
Click Merge
Hit the Merge PDFs button and wait a moment for processing.
4
Download Result
Download your combined PDF file instantly.
Frequently Asked Questions
No. All merging is done entirely in your browser using the PDF-lib JavaScript library. Your PDF files never leave your device.
There is no hard limit on the number of PDFs. However, very large files may be slower to process as everything runs in your browser memory.
No. The merge process copies pages directly without re-rendering or re-encoding, so the output quality is identical to the original files.