Drop the PDFs you want to merge
Up to 80 MB in total. Free: 2 completions every 24 hours.
◉ Processing on your device
DELUMA PDF
Merge PDF without uploading your files
Combine multiple PDFs into one right in your browser. Your files never leave your device. Free, no install and no server upload.
How to use
- 01
Choose the PDFs in the order you want.
- 02
Review and arrange the pages in the editor.
- 03
Export the combined document.
Your file stays on your device
The tool processes PDF bytes in your browser. Your account and allowance may be checked on the server without sending the document. Saving online or sending by email are optional actions requiring an explicit choice.
Frequently asked questions
Are my files sent to a server?
The tool processes PDF bytes in your browser. Your account and allowance may be checked on the server without sending the document. Saving online or sending by email are optional actions requiring an explicit choice.
What is the free allowance?
Free allows 2 completed PDFs every 24 hours. Pro allows up to 500 documents every 30 days. Opening this page does not use your allowance; the application’s completion rules still apply.
Can I change the page order?
Yes. Review the page grid and rearrange pages before exporting the combined PDF.
What about password-protected PDFs?
You need the password and permission to use the file. Some protections and document features may limit the operation.