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.
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PDF Overlay combines two documents page by page, such as applying a letterhead or form background to plain text pages.
This tool runs entirely in your browser. Your file is read from your device, processed in memory, and saved back to your device — it is never uploaded to Qpdf or anyone else. Once this page has loaded, the tool also works with your internet connection switched off.