Watermark PDF

Features

• Stamps text or a logo image across every page at once, centered and diagonal by default.
• Fine-tunes opacity and tilt angle for a subtle background mark or a bold CONFIDENTIAL overlay.
• Applies the watermark in your browser, so unsigned drafts and private contracts stay on your machine.

How it works

1. Load your PDF, then choose a Text or Image watermark.
2. Type your text (e.g. CONFIDENTIAL) or pick a PNG/JPG logo, then set size, opacity, and angle.
3. Watch the diagonal stamp in the preview, then click Add watermark to download.

Related tools

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• Images to PDFCombine images into a single PDF.

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