← Use the Merge PDF tool
Merge PDF Files Privately in Your Browser
Need to combine multiple PDFs into one file? Most online PDF mergers require you to upload your documents to someone else’s server. Our merge tool works entirely in your browser — your files never leave your device.
Files are processed locally in your browser. No upload required.
Why use a private PDF merger?
- Your data stays yours — No uploads means no data leaks, no server logs, no copies stored anywhere
- No file size limits — Since nothing is uploaded, there are no artificial size restrictions
- Instant processing — No queue, no waiting for uploads to finish
- Works offline after loading — Once the page is loaded, you can even disconnect from the internet
How to merge PDFs privately
- Go to the Merge PDF tool
- Upload your PDF files — drag and drop works great
- Reorder the files if needed using drag and drop
- Click “Merge” and wait a moment
- Download your combined PDF
How many files can I merge?
There is no limit on the number of files you can combine. The only constraint is your device's available memory. For most users, 10–20 standard PDFs work without issue.
Frequently Asked Questions
Is it really 100% private?
Yes. Your files are processed locally using JavaScript. No data is sent to any server at any point.
Is it free?
Yes, completely free. No sign-up, no account, and no hidden charges.
What if my files are confidential?
This is the perfect tool for confidential documents. Since nothing is uploaded, sensitive information never leaves your computer.