Merge PDF files
Combine PDF files into a single document in the order you want. A free PDF merger that works right in your browser.
- 100% private Files stay on your device
- Free No sign-up or watermark
- Fast Results in seconds
How to use Merge PDF
- Add two or more PDF files.
- Drag the files into the order you want.
- Click Merge PDF.
- Download the combined document.
Why use PDFFlow Merge PDF
Keep your order
Drag and drop files to arrange them exactly how the final document should read.
Original quality
Pages are copied as they are, so text, links and images stay sharp.
Unlimited files
Merge as many PDFs as your device memory allows, with no file count limit.
Frequently asked questions
How do I combine PDF files into one?
Add your PDFs above, drag them into order and click Merge PDF. This free PDF combiner joins all files into one document you can download right away.
Can I merge PDF documents for free?
Yes. Merging and combining PDF files is completely free, with no file limit, no watermark and no account.
How many PDFs can I merge at once?
There is no fixed limit. You can merge dozens of files; very large batches simply depend on how much memory your device has.
Will merging reduce the quality?
No. Pages are copied into the new document without re-compressing, so the merged PDF looks identical to the originals.
Are my files uploaded to a server?
No. PDFFlow processes your files entirely inside your browser using JavaScript. Nothing is uploaded, stored or seen by anyone else, and the result is created on your own device.
Is this tool free?
Yes. Every PDFFlow tool is free to use with no sign-up, no watermark added to your files and no daily task limit.