Combine multiple PDFs into one. Drag to reorder. Files stay in your browser — nothing uploaded.
Pick multiple at once
Unlike many online PDF tools, this merger never uploads your files. Everything runs locally using pdf-lib via WebAssembly — perfect for confidential documents like contracts and tax returns.
Yes — drag files into the order you want before combining them into one PDF.
No — merging happens entirely in your browser; PDFs never leave your device.
No — pages are combined as-is, with no watermark and no quality loss.
Want more detail? Read How to Use PDF Merger: Practical Guide and Best Practices.