Merge PDFs
Upload multiple PDFs, arrange them by drag-and-drop, and download the combined file. Everything happens in your browser.
This page processes your file entirely in your browser. It never leaves your device.
Drop files here
or
Choose filesPDF files only
Combine multiple PDF files into one. The order you upload them in determines the order in the result.
How to
- 1
Upload PDFs
Drop your files into the dropzone or pick them via the button. At least two are required.
- 2
Reorder
Drag the grip handle to reorder files. Remove individual files via the × icon.
- 3
Merge
"Merge" creates the new PDF instantly in your browser and starts the download.
Tips
- You can add more files later — just drop them onto the existing list.
- File size is only limited by your browser's memory — typically >100 MB works fine.
Privacy and limits
Local processing in your browser. No file is uploaded. Encrypted or corrupt PDFs are rejected.
Frequently asked about this tool
Is quality preserved?▾
Yes. Pages are copied 1:1 — no recompression, no quality loss.
What about bookmarks or form fields?▾
Page content and bookmarks are largely preserved. Complex forms or digital signatures may break — sample-check the result.