HeroTools / PDF
Local · Private

PDF Watermark & Page Numbers

Stamp a text watermark across every page and add tidy page numbers. Runs entirely on your device — no upload, ever.

⬆
Drop a PDF here
or click to browse
🔒 Files never leave your browser

Watermark

FREE
#3f6b54
Leave blank for every page. Use ranges and commas, e.g. 1-3, 5.

Page numbers

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Live preview of page 1 — the same stamps apply to all pages.

About PDF Watermark & Page Numbers

PDF Watermark & Page Numbers is a free, private pdf tool that runs entirely in your web browser. Add text watermarks and page numbers to a PDF. Because everything happens locally on your device, your files and data are never uploaded to a server, there is no sign-up or installation required, and it keeps working offline. It is handy for watermark, page numbers, stamp. Like every HeroTool by Digital Heroes, PDF Watermark & Page Numbers is 100% free with no limits.

How to use PDF Watermark & Page Numbers

  1. Open PDF Watermark & Page Numbers — it runs entirely in your browser, with no signup.
  2. Drag and drop your file (or click to browse) — it never leaves your device.
  3. Adjust the options to match exactly what you need.
  4. Copy or download your result — it is free, and your data stays on your device.

Frequently asked questions

Is PDF Watermark & Page Numbers free?

Yes — PDF Watermark & Page Numbers is completely free for everyone. No sign-up, no account and no usage limits.

Is it private? Are my files uploaded anywhere?

No. PDF Watermark & Page Numbers runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.

Does it work offline?

Yes. HeroTools is a Progressive Web App — once the page has loaded it keeps working offline, and you can install it as an app from your browser.

Do I need to install anything or create an account?

No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.

What does PDF Watermark & Page Numbers do?

Add text watermarks and page numbers to a PDF.

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