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All source PDFs are merged on your device. No file content is uploaded.
Useful for invoices, reports, appendices, scanned packets, and supporting documents.
Yes. Merge PDFs is completely free — no signup, no watermarks, and no file limits. It runs locally in your browser, so there is no server cost to pass on.
No. All source PDFs are merged on your device. No file content is uploaded. Processing happens with JavaScript in your browser, so your document never leaves your device.
Yes. Once the page has loaded, processing runs entirely on your device, so it keeps working without an internet connection.
Merge PDFs accepts PDF files and produces a Merged PDF. Useful for invoices, reports, appendices, scanned packets, and supporting documents.
No. Merge PDFs works in any modern browser — Chrome, Firefox, Safari, or Edge — on Windows, macOS, Linux, iOS, and Android. There is nothing to download or install.