👉 Drag & drop your PDFs and combine them instantly — free, secure, and private.
Combine PDFs online instantly with this secure browser-based PDF merger. Drag and drop documents, reorder pages, and create a single download-ready PDF without sending anything to a server.
- 🛡️ Private by design: Files stay on your device with this secure PDF combiner.
- ⚡ Fast & intuitive: Drag-and-drop merging means instant results.
- 🌍 Works everywhere: Desktop, laptop, and mobile browsers supported.
- ✅ No limits: Merge as many PDF files as you like with this free PDF joiner.
Merge PDF files online in seconds
Use this free PDF joiner to combine multiple PDF files into a single polished document without installing software or sending files to a remote server. Everything happens locally in your browser, letting you merge multiple PDF files in browser while sensitive paperwork, invoices, contracts, and study notes stay private.
The tool is optimized for quick drag-and-drop merging, making it an ideal PDF combiner for remote teams, students, legal professionals, and anyone who needs a dependable way to combine PDFs online that works on any device.
How to combine PDF documents
- Click Add PDFs or drop your files into the box.
- Reorder the queue with the arrow buttons so the pages appear in your preferred sequence.
- Press Merge PDFs to instantly build a single combined document on your device.
- Preview the merged PDF, download it, or go back to make quick adjustments.
Because the PDF merger runs entirely on your CPU, there are no file size upload limits or waiting for transfers to finish. Import new files, rearrange pages, and download the combined PDF as many times as you need from this secure PDF combiner.
Why choose this PDF merger
- 🛡️ Private by design: This browser PDF merger never uploads your documents, so confidential records remain under your control.
- ⚡ Fast and intuitive: Drag-and-drop support, keyboard controls, and real-time previews keep the workflow simple for power users and beginners alike.
- 🌍 Works everywhere: Merge PDFs online from macOS, Windows, Linux, or mobile browsers without installing add-ons.
- ✅ No hidden limits: Add as many documents as you need, reorder them freely, and generate a combined PDF whenever you are ready.
Frequently asked questions
Is the PDF merger really secure?
Yes. The entire merge happens locally using thepdf-lib library inside your browser session. Your files are never sent to external servers, making this a safe choice for financial statements, HR paperwork, and other confidential documents.
Can I reorder pages before combining files?
Absolutely. Use the built-in arrow buttons to rearrange each PDF in the queue until the sequence matches your desired reading order. You can remove items at any time before creating the merged document.
Does this online PDF combiner cost anything?
No. The PDF merger is completely free to use. There are no hidden sign-ups or paywalls—just a fast, dependable way to merge PDF files in your browser.
Will the original PDFs be changed?
No. The tool reads your PDFs to build a brand-new combined file and never overwrites the originals. You can safely merge invoices, forms, and study materials knowing the source files remain untouched on your device.
Is there a file size limit when merging PDFs?
No. Because everything runs directly in your browser, there are no upload size restrictions. The only limit is the available memory on your device.
Can I merge PDFs on my phone?
Yes. The tool works in Chrome, Safari, and Firefox on both Android and iOS, so you can merge PDF files on mobile whenever you need a portable PDF joiner.