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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?

Unlimited & Private

No daily limits, no watermarks, no signup. Use as many times as you need — completely private.

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Unlimited Use

No limits, no signup.

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100% Private

PDFs processed locally. Nothing uploaded.

Instant Results

Apply watermark in seconds.

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Full Customization

Control size, opacity, color, rotation, and position.

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All Pages

Watermark appears on every page of the PDF.

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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