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Watermark

Stamp text across your pages — drafts, confidential, your name.

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Stamp a watermark across your PDF

A watermark marks a document as a draft, keeps confidential copies traceable, or puts your name on your work. Type your text, then set its position, angle, size and transparency and preview it on your pages. The stamp is added in your browser and the file is never uploaded.

  • Your files stay on your device

    Watermark runs in your browser, so nothing is uploaded — not the file, not even its name.

  • Free, with no sign-up

    No account, no watermark on your files and no daily limit for normal use.

  • Files up to 100 MB

    Large or scanned files are fine — they simply take a little longer.

  • Works on every device

    Windows, Mac, Linux, iPhone, iPad and Android, in any modern browser. Nothing to install.

Watermark, step by step

  1. 1

    Select your PDF.

  2. 2

    Type your watermark and style it.

  3. 3

    Press Stamp and download.

Good to know

Not yet — watermarks are text. To put a logo on a page, use Add image to PDF.

Yes. Type the pages to stamp, such as 1–3, 7; leave it empty for every page.

Yes. Choose one stamp in the centre, or tile it across the whole page.

It’s drawn into the page, so it can’t be switched off in a PDF viewer — but someone with PDF editing software could still cover or remove it.

Each file can be up to 100 MB. Large or scanned files simply take a little longer.

Yes. It runs in any modern browser on Windows, Mac, Linux, iPhone, iPad and Android, with nothing to install. You can also add pdfconva to your home screen and open it like an app.

No. This tool runs entirely in your browser. Your files never leave your device.

Yes. Every pdfconva tool is free, with no sign-up and no watermark on your files.

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