Merge PDF
Combine multiple PDF files into one document online. Free, private, and no signup required.
Drop PDF files here, or click to browse
Add up to 20 PDFs, up to 25 MB each
How to merge PDFs
- 1
Upload your PDFs
Drag and drop two or more PDF files, or click to browse.
- 2
Reorder if needed
Drag files in the list so pages appear in the order you want.
- 3
Merge the documents
Processing happens in your browser. Your files are not sent to a server.
- 4
Download the result
Download one combined PDF with all pages in order.
Free online Merge PDF tool
Need to merge PDF files quickly? This free Merge PDF tool combines multiple PDF documents into one file in your browser. Reorder files before merging so pages appear exactly how you want.
Unlike desktop software, you do not need to install a PDF merger or create an account. Combine PDF files online for contracts, assignments, scanned pages, or reports — privately on your device.
When to use Merge PDF
- Combine several scanned PDFs into a single document
- Join chapters, invoices, or attachments before sending
- Create one filing-ready PDF from multiple exports
Frequently asked questions
Is Merge PDF free?
Yes. You can merge PDF files online for free without creating an account.
Are my files uploaded to a server?
No. Merge PDF runs entirely in your browser. Your documents stay on your device.
How many PDFs can I merge?
You can combine up to 20 PDF files in a single merge.
What is the maximum file size?
Each PDF can be up to 25 MB.
Can I change the order of files?
Yes. Drag files in the list to set the merge order before combining them.
Does mergepdf require software?
No. This online PDF merger works in Chrome, Firefox, Safari, and Edge — nothing to install.