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Stamp every page with custom text — opacity, size, color, and position. Free and private.
Choose the PDF you want to stamp. Processing stays on your device.
Set watermark text, opacity, size, color, and position.
Apply to all pages and download the watermarked PDF.
CONFIDENTIAL, DRAFT, your name — any short label up to 80 characters.
Watermark is drawn on all pages with diagonal, center, top, or bottom layout.
Runs in your browser with pdf-lib. Files never leave your device.
Fair daily limits; no watermarks from us on the output.
Quick answers about tools, privacy, limits, and pricing.
This version supports text watermarks. Image watermarks can be added in a future update.
Password-protected PDFs should be unlocked first (PDF Unlock tool), then watermarked. You can re-protect afterward if needed.
Yes — everything runs locally in your browser with pdf-lib. Files never leave your device for stamping.
Yes, with daily usage limits by account tier. We do not add our own marketing watermark on the output.
Keep labels short — up to about 80 characters — so they stay readable on every page size.
The stamp is applied to every page. Split out the pages you need first if you want a partial watermark.
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