Absolutely. PDFSwift processes all files locally in your browser. We never upload your documents to any server, meaning your sensitive data is 100% safe.

Yes! Once you select or drag-and-drop your PDF files, you can easily drag them to arrange them in the exact order you want them to be combined.

Since all processing is client-side, there are no hard limits enforced by our server. The only limit is your browser's memory capacity, which easily handles standard documents up to hundreds of megabytes.

No, merging PDFs with PDFSwift combines the original pages and layouts exactly as they are without re-encoding, preserving the absolute original quality.