+ Overlay or underlay pages from one PDF onto another. +
+ ++ Upload base PDF +
++ Upload overlay/underlay PDF +
++ Your files never leave your device. +
+ ++ Use "z" for the last page. Leave empty to apply to all pages. +
++ Processing... +
++ Upload your base PDF and the PDF you want to overlay or underlay. +
++ Select overlay (on top) or underlay (behind). Optionally set a + page range and repeat. +
++ Download your PDF with the overlay or underlay applied. +
++ Overlay places pages on top of your base PDF (like a watermark). + Underlay places pages behind your base PDF (like a letterhead or + background). +
++ Yes! Enable the "Loop" option and your overlay PDF pages will repeat + across all base pages. A single-page watermark will apply to every + page. +
++ Absolutely! All processing happens in your browser. Your files never + leave your device, ensuring complete privacy. +
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