Merge PDF Files
Combine multiple PDFs into one document — free, unlimited, and 100% private. Everything happens in your browser.
Click to choose PDF files or drag & drop here
Add two or more PDFs · No size limit✅ Your merged PDF is ready!
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How to merge PDF files
- Click the box above (or drag and drop) to add two or more PDF files.
- Each file appears as a card with a preview of its first page — use the ← and → arrows to set the order.
- Click Merge PDFs and download your combined file.
Why this PDF merger is different
Almost every "free" PDF merger works the same way: you upload your documents to their server, they process them, and you download the result — if you haven't hit the daily limit or a paywall first. That means your files sit on someone else's computer, even if just for a few minutes.
This tool takes a different approach. It uses modern browser technology to open, combine and save your PDFs entirely on your own device. Nothing is transmitted, logged or stored. That makes it safe for sensitive documents like contracts, medical records, bank statements and scanned IDs — and it's faster too, because there's no upload or download wait.
Frequently asked questions
Is it safe to merge confidential PDFs with this tool?
Yes. Your files are never uploaded to a server. The merging happens entirely inside your browser, so contracts, IDs and financial documents stay on your device. You can even disconnect from the internet after the page loads and it still works.
Is there a file size or page limit?
No. Because processing happens on your own computer, there are no artificial limits. Merge as many PDFs as your device's memory can handle, completely free.
Can I change the order of the PDFs before merging?
Yes. Each file appears as a card showing its first page, so you can tell similar documents apart — use the arrow buttons to arrange them in the exact order you want.
Does the merged PDF have a watermark?
No. The merged PDF is clean — no watermarks, no branding, no quality loss. The original pages are copied exactly as they are.