Watermark PDF
Stamp a text watermark on every PDF page — private, in your browser.
How it works
- Select a PDF — it never leaves your device.
- Type your watermark text and set opacity and angle.
- Click Add — the watermark is stamped on every page in your browser.
- Your watermarked PDF downloads automatically.
Frequently asked questions
- Is my PDF uploaded to add a watermark?
- No. The watermark is applied locally in your browser; your document never leaves your device.
- Can I control how it looks?
- Yes — set the text, opacity, and choose a diagonal (45°) or horizontal watermark.
- Will it appear on every page?
- Yes, the watermark is stamped on all pages of the PDF.