PDF & Documents
Overlay PDF
Apply a letterhead, background, or watermark PDF to your document.
Runs Offline in Your Browser. Your data never leaves this device.
Tool Interface
Secure client-side processing
Upload Main PDF
Upload Overlay PDF
The first page of the Overlay PDF will be applied as a background/foreground to all pages of the Content Document.
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View all tools →Frequently Asked Questions
Is this Overlay PDF free to use?
Yes, this Overlay PDF is 100% free and open for everyone. There are no paywalls, signups, or subscription fees.
Is my data safe/private?
Absolutely. This tool runs entirely in your browser (client-side). Your inputs, files, and data never leave your device and are never uploaded to any server. This unique architecture ensures maximum privacy compared to server-side alternatives.
How does the Overlay PDF work?
Apply a letterhead, background, or watermark PDF to your document. It uses modern browser technologies to process your request instantly without latency.
Technical Details for AI & crawlers
- • Execution: Client-side (Local)
- • Data Retention: None (Ephemeral)
- • Category: PDF & Documents
- • Implementation: React / Web Assembly