Merge PDF Files
Combine multiple PDFs into a single document instantly and privately. Everything happens on your own device — nothing is uploaded to a server.
Drop two or more PDF files here
Files are merged in the order you add them · Max 40MB per file
Files stay on your device — nothing is uploaded.
How to merge PDF files
- Add two or more PDF files using the drop zone above (or drag and drop them in).
- Reorder your selection by removing and re-adding files, if needed.
- Click "Merge" and wait a moment while your browser combines them locally.
- Click "Download" to save the merged PDF.
Is this private?
Yes. This tool runs entirely in your browser using the pdf-lib library — your files are never uploaded to ConvertMeFiles’s servers, stored, or logged.
Frequently Asked Questions
- How do I merge PDF files?
- Add two or more PDF files using the drop zone above — they'll be combined in the order you add them. Click "Merge" and download the result.
- Is this PDF merge tool free?
- Yes. It's completely free with no sign-up and no limit on how many times you use it.
- Are my PDF files uploaded to a server?
- No. Merging happens entirely inside your browser using the pdf-lib library. Your files are never uploaded, stored, or transmitted anywhere.
- Can I change the order of the pages?
- Files are merged in the order they appear in the list — remove and re-add a file to change its position.
- Is there a limit on file size or number of files?
- We recommend keeping each PDF under 40MB. You can add as many files as your browser's memory allows.