PDF Merge Tool
Combine multiple PDFs into one. Drag to reorder. All processing happens in your browser — nothing is uploaded.
or click to browse
PDF files only · No size limit · All processing is local
How to Merge PDF Files
- Drop your PDF files onto the area above, or click "browse" to select them.
- Drag the rows to reorder them — the merge order matches the list order.
- Click Merge PDFs and wait a moment while your browser combines the files.
- Download your merged PDF with one click.
Common Use Cases
- Combining invoices, receipts, or statements into a single file
- Merging report chapters or sections from different authors
- Preparing a complete document package for a client or submission
- Combining scanned pages saved as separate PDFs
Important Notes
- 100% private — files are processed entirely in your browser and never leave your device.
- Very large PDFs (100+ MB each) may use significant browser memory.
- Password-protected PDFs are not supported for merging; unlock them first.
- Free to use, no login or signup required.
- Uses pdf-lib (MIT license) for PDF manipulation.
Comments & Discussion
Facing issues? Have questions? Post them here! We're happy to help!