Add a watermark to PDF (free)
Free tool to overlay watermark text (e.g. CONFIDENTIAL) on every PDF page. Adjust text, opacity, angle and color. No signup, processed in your browser.
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How to use Watermark PDF
- 1Select a PDF
- 2Set the watermark text, opacity, angle and color
- 3Press “Add watermark” to download the watermarked PDF
Other tools
Offline PDF tools run entirely in your browser — your files are never uploaded.