How to merge PDF files online
- Upload your PDFs — drag and drop two or more files into the box above, or click to browse your device.
- Choose the order — keep upload order, or sort alphabetically by file name.
- Merge and download — click “Merge PDFs” and your combined file is ready in seconds.
Why merge PDF files?
Merging turns scattered documents into a single file that is easy to share, print and archive.
Is it safe to use this tool?
Yes. Files are transferred over an encrypted SSL connection and automatically deleted from our servers within one hour. We never read, share or store your documents.
Frequently asked questions
How many PDFs can I merge at once?
You can combine as many files as you like in a single merge, up to 50 MB per file.
Can I change the order after uploading?
Yes, switch between upload order and alphabetical order before merging.
Does it work on mobile?
Yes. The tool works in any modern browser on iPhone, Android, tablets and desktops.
Will there be a watermark?
No. Your merged PDF is completely clean — no watermarks, no branding.