Merge PDF
Combine multiple PDFs in the order you choose.
.pdf. Up to 20 files per job. Each file up to 50 MB. Free: 5 jobs per day. Pro: 15. Resets at 00:00 UTC. Guests share an allowance by IP address.
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Merge multiple PDF files into a single document in seconds without installing any software. Add your files in the order you want them to appear and PDF Deck combines them into one clean PDF. You can combine up to 20 files per job. All files are processed in memory and permanently deleted after you download — nothing is kept on any server.
Frequently asked questions
- How many PDFs can I merge at once?
- You can merge up to 20 PDFs in a single job. Add them in any order before combining.
- Is merging PDFs free?
- Yes. No account required. Upload your files and download the merged result immediately.
- Are my files stored after merging?
- Files are sent to our processing provider. Detailed provider retention information is being verified.