How do I merge PDF files?

Upload two or more PDF files, arrange them in the order you want, and click Process. The tool combines all pages from all files into a single PDF.

Is there a limit on the number of PDFs?

No hard limit. You can merge as many PDFs as your browser can handle. Each file is processed locally — no server upload.

No. The tool copies pages directly from the source PDFs without re-encoding. All text, images, and formatting are preserved exactly.

Yes. All processing happens in your browser using JavaScript. Your PDF files are never uploaded to any server.

How do I merge PDF files?: Upload two or more PDF files, arrange them in the order you want, and click Process. The tool combines all pages from all files into a single PDF.
Is there a limit on the number of PDFs?: No hard limit. You can merge as many PDFs as your browser can handle. Each file is processed locally — no server upload.
Does merging PDFs affect quality?: No. The tool copies pages directly from the source PDFs without re-encoding. All text, images, and formatting are preserved exactly.
Is my data private?: Yes. All processing happens in your browser using JavaScript. Your PDF files are never uploaded to any server.