About this tool
Merge PDF joins several PDF documents into a single file. Pages keep their original quality — nothing is re-rendered or compressed — and the whole job runs in your browser, so your documents never leave your device.
How to use it
- Choose two or more PDF files.
- Click Merge PDFs.
- Download the combined file.
Frequently asked questions
Is there a file limit?
You can merge as many files as your device memory allows. Very large collections (hundreds of MB) may be slow on phones.
Will quality change?
No. Pages are copied exactly as they are — merging never reduces quality.
Can I merge password-protected PDFs?
No. Remove the password first, then merge.