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Add Watermark to PDF Online — Secure & Private
Stamp your PDF documents with custom text watermarks. Control text, font size, opacity, color, rotation, and position. Perfect for marking documents as DRAFT, CONFIDENTIAL, or adding branding. All processing happens locally in your browser.
Why Use This Application?
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Unlimited & Private
No daily limits, no watermarks, no signup. Use as many times as you need — completely private.
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All Pages
Watermark appears on every page of the PDF.
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Unlimited Use
No limits, no signup.
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Instant Results
Apply watermark in seconds.
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100% Private
PDFs processed locally. Nothing uploaded.
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Full Customization
Control size, opacity, color, rotation, and position.
How It Works
1
Upload PDF
Drag and drop your PDF file.
2
Customize Watermark
Set text, size, opacity, color, and position.
3
Download
Download your watermarked PDF.
Frequently Asked Questions
Related Searches
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100% Private — Your files never leave your device
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