PDF Watermark – Add Text or Image Watermark to PDF

Upload PDF

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Drag & drop your PDF here

or click to browse · files never leave your device

Watermark Settings

Watermark text

Font size (pt)

Color

#334155

Opacity

30%

Rotation

0°

Position

Apply to

“Diagonal” uses a 45° angle. The watermarked PDF downloads automatically.

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100% Private

Your PDF is processed locally with pdf-lib. Nothing is uploaded to a server.

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Text or image

Add a styled text watermark or stamp a transparent logo/PNG onto your pages.

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Instant output

Fast in-browser processing with opacity, rotation and nine placement presets.