# PDF Merger ## Product positioning Merge two or more local PDF files into one complete document after ordering them. ## Core features Multiple file selection; page order adjustment; merge preview; output naming; result export. ## Input and output Input: two or more PDF files Output: a merged PDF file ## Supported platforms Windows, macOS, and Linux; runs locally and offline. ## Business model Free tier: 3 uses per day Perpetual license removes usage limits. ## Processing notes Files are processed locally and are not uploaded to third-party services.