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Add a Watermark to a PDF (CONFIDENTIAL, DRAFT…)

Stamp a watermark such as “CONFIDENTIAL”, “COPY” or “DRAFT” on every page of a PDF to prevent misuse. Set the size, color, opacity and diagonal orientation.

🔗 Direct link sahlify.uk/en/watermark-pdf/

How does it work?

Type or paste your data.
The result appears instantly.
Copy or download the result.

Why use Watermark PDF?

✓ 100% free, no limits, no watermark
✓ No sign-up, no install
🔒 Files processed locally: full privacy
📱 Works on desktop, tablet and mobile

Frequently asked questions

Can the watermark be removed?

It becomes part of the page content and is hard to remove without specialized software.

Can I use Arabic text?

The PDF watermark uses a Latin font, so use Latin characters.

Can the watermark be removed easily?

It is embedded on every page and hard to remove without specialist tools.

Can I use Arabic letters?

Yes, watermark text supports Arabic and accents.

Is this tool really free?

Yes, 100% free, with no sign-up, no watermark and no usage limit.

Are my files safe?

Yes. Processing happens directly in your browser: your files are never uploaded to a server or stored.

When to use it

A PDF watermark shows its status (“Confidential”, “Draft”, “Copy”) or its recipient, and discourages unauthorised sharing of quotes, contracts, training materials or supporting documents.

Our tips

💡 For supporting documents, write “Copy for [organisation] – [date]”.
💡 15–25% opacity stays readable without hiding text.
💡 Diagonal placement is harder to remove.