Free PDF Merger
Combine multiple PDFs into a single document, in exactly the order you want.
Select PDF files
or drag and drop PDFs here
PDF files — up to 50 MB each. Processed locally in your browser; nothing is uploaded.
How to use the Merge PDF
- Click Select PDF files (or drag and drop) and add two or more PDFs.
- Arrange the list with the up and down arrows — the merged document follows this order.
- Click Merge PDF and save the combined file.
Good to know
- Everything runs in your browser: your PDFs are never uploaded to a server.
- Password-protected or damaged PDFs cannot be merged — remove the password first with the software that created the file.
- Very large files are limited by your device's memory; 50 MB per file is the cap.
Frequently asked questions
Is the Merge PDF tool free?
Yes, completely free with no page limits, no watermarks, and no account.
Are my PDF files uploaded?
No. Merging happens locally in your browser using JavaScript. Your files never leave your device.
Can I change the order of the files?
Yes. Use the up and down arrows next to each file before merging — the output follows the list order.