How to Add a Watermark to a PDF

By FreeNation Softwares · Updated 2026-10-17

Before you share a document, a watermark — CONFIDENTIAL, DRAFT, or your name — makes it clear who it belongs to and discourages misuse. Here is how to add one.

How to add a watermark

Open the Watermark PDF tool — No app needed.
Select your PDF — Choose the file from your device.
Type your text — For example CONFIDENTIAL, DRAFT, or your name.
Pick strength & download — Light, Medium or Strong, then download the watermarked PDF.

💡 Use the Light setting so your text stays easy to read under the watermark.

Ready? Use the Watermark PDF tool — free, and your file never leaves your device.

FAQ

Is it on every page?

Yes, the watermark is stamped diagonally on all pages.

Will it cover my content?

No — it is semi-transparent so your text stays readable.

Is it free?

Yes, and the PDF is processed on your device.

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