Merge multiple PDFs into one document — drag to reorder, instant download, 100% private
or click to browse files (Supports multiple PDF files)
Your combined document is ready for download.
Files never leave your browser
Arrange pages in any order
Merge up to 20 PDFs instantly
No re-encoding, original quality kept
Upload your PDF files by clicking "Choose PDF Files" or dragging them into the drop zone. Reorder the files by dragging or using the up/down arrows. Set your output file name, then click "Merge PDF Files." Your combined PDF downloads instantly — no email, no sign-up.
Unlike cloud-based tools, UtilityX processes everything directly in your browser. Your documents are never transmitted to any server, making it the safest way to merge sensitive PDFs — contracts, tax documents, medical records, or anything private.
Nothing — your original PDF files are not modified or deleted. The merger creates a new combined document and offers it as a download. Your source files remain untouched on your device.
No. All merging happens locally inside your browser using JavaScript. Your files never leave your device, ensuring complete privacy and security.
You can merge up to 20 PDF files at once, with a maximum total size of 200MB across all files.
Yes. You can drag and drop files to reorder them, or use the up/down arrows on each file. The final PDF will follow the order shown in the list.
No. The merger copies pages directly from the original PDFs without re-encoding, so quality is fully preserved.
Each individual PDF can be up to 50MB, with a total combined size of up to 200MB across all files.
Password-protected or encrypted PDFs cannot be merged. Please remove the password protection first using your PDF reader, then re-upload the files.