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Watermark PDF

Add a semi-transparent diagonal text watermark to each page of your PDF.

Stays on your device Free, no sign-up

Drop your file here.

Or choose it from your device. We’ll take it from there.

PDF  ·  Up to 100 MB

Watermarks are visual marks, not copy protection. Latin characters supported.

How to watermark pdf

01

Select your PDF.

02

Enter your watermark text.

03

Download the watermarked PDF.

Good to know before you start

Watermarks are visual marks, not copy protection. Latin characters supported.

Common questions

How does Watermark PDF work?

Add a semi-transparent diagonal text watermark to each page of your PDF.

What should I know about this tool?

Watermarks are visual marks, not copy protection. Latin characters supported.

Are these PDF tools really free?

Yes. Every tool on Paperlane is free to use, with no account, subscription or watermark added by the service. Practical file limits keep browser processing reliable.

Do my files leave my device?

No. File conversion and editing happen locally in your browser. Paperlane does not upload your document contents to a conversion server. The hosting provider still receives standard website requests.

Can I use Paperlane on my phone?

Yes. The tools work in modern mobile and desktop browsers. Smaller files are recommended on phones because processing uses your device’s memory.

Keep your files moving.

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