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Watermark PDF

Drag to position • Resize corners • Rotate freely

Drop your PDF here

or click to browse

How It Works

1

Select File

Choose a PDF from your device

2

Position Watermark

Drag, resize, rotate, tile

3

Download

Save your finished PDF

Why Choose ModernPDF

100% Private

Your files never leave your device. No uploads, no servers, no tracking.

Lightning Fast

No upload wait times. Processing starts instantly on your device.

No Upload Required

Everything processes locally. Your files never touch our servers.

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Frequently Asked Questions

Yes. Upload any PNG, JPG, or SVG image as a watermark. Adjust opacity, size, and position with live preview.

Yes. ModernPDF supports tiled (repeated) watermarks that cover the entire page — perfect for 'CONFIDENTIAL' or 'DRAFT' stamps.

Yes. The watermark is applied to every page in the PDF. You can preview the result before downloading.