Merge PDF Online Free
Combine multiple PDF files into one PDF directly in your browser. No API or server upload is required.
Select 2 or more PDF files
Drag & drop PDFs here or choose them from your device.
ℹ️ About Merge PDF Online Free
Merge PDF combines two or more PDF documents in the order you select. The current browser-based implementation reads each PDF locally, copies its pages into a new PDF and creates a download without sending the files to a ToolBoxly processing server.
🛠️ How to Use Merge PDF Online Free
Choose two or more PDFs, review the selected order, remove any unwanted file and click Merge PDFs. Download the combined document when processing finishes.
📥 Input → ⚙️ Process → 📤 Result
Input
PDF file(s) selected from your device
Process
PDF bytes are read and processed locally in your browser.
Result
A downloadable PDF created on your device.
❓ Frequently Asked Questions
Does Merge PDF upload my files?
No. The PDF bytes are processed in your browser; no ToolBoxly upload endpoint is used.
Can I merge several PDFs?
Yes. Select two or more PDF files and they are combined in the selected order.
Will encrypted PDFs work?
Password-protected or malformed PDFs may not be supported by the browser library.
Is an API required?
No. The tool uses a client-side PDF library, not a PDF processing API.
Practical ways to use Merge PDF Online Free
PDF files are the default format for contracts, invoices, forms and scanned documents, but editing them usually means paying for desktop software you'll only use occasionally. Files are combined in the exact order you select them in, so arrange your file picker selection (or re-order after selecting) before merging. Everything above runs locally in your browser tab — the file you choose is not uploaded to a ToolBoxly server before you download the result, so there is nothing to wait on beyond your own device's processing speed. If you plan to use the result somewhere else — a client deliverable, an app store listing, a printed page — keep a copy of your original file and double-check the output against that destination's specific requirements before you rely on it.