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Watermark PDF

Add a custom text watermark to every page of your PDF. Great for drafts, confidential documents and branding.

  • Free
  • Online
  • No limits
  • Secure

Drop a PDF here or click to browse

Your files are processed locally in your browser and never uploaded.

What is Watermark PDF?

Add a text watermark to your PDF to protect and brand your documents. This free tool stamps words like Confidential, Draft or your company name across every page — with control over position, size and transparency, all processed privately in your browser.

How to use Watermark PDF

  1. 1

    Upload your PDF

    Drop the PDF you want to watermark, or click to select it.

  2. 2

    Set your watermark

    Type your text and adjust its size, angle and opacity.

  3. 3

    Download the result

    Save your watermarked PDF, ready to share.

Key features

  • Add a custom text watermark to every page
  • Control the size, angle and transparency
  • Great for Confidential, Draft or branding stamps
  • Free with no sign-up and no watermark from us
  • Files stay in your browser — fully private
  • Works on desktop and mobile

Why use Watermark PDF?

Easy to use

Watermark PDF was built to be as simple as possible. Add your file, get your result — there's no learning curve.

No installation

It runs right in your web browser. There is nothing to download or install on your device.

100% free

Use Watermark PDF as much as you want, completely free — no account and no hidden fees.

Works everywhere

Windows, macOS, Linux, Android or iOS — if you have a browser, it simply works.

Privacy first

We respect your data. Your files are handled with privacy in mind and never kept longer than needed.

Fast & no limits

There are no artificial limits. Process your files quickly, as many times as you need.

Questions and answers

Is Watermark PDF free to use?

Yes. Watermark PDF is completely free, with no limits and no sign-up required.

Do I need to install any software?

No. Watermark PDF works directly in your web browser, on any device.

Are my files safe?

Yes. Your files are processed locally in your browser and are never uploaded to any server.

Which devices and browsers are supported?

Watermark PDF works on all modern browsers and operating systems, including Windows, macOS, Linux, Android and iOS.

Is there a limit on how many files I can use?

No. You can use Watermark PDF as many times as you like, for free.

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