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Watermark PDF
Add a diagonal text watermark to every page of a PDF, with adjustable opacity. No upload, no signup, and free to use in your browser.
How to use Watermark PDF
- Drop a PDF file.
- Type the watermark text.
- Download with a diagonal mark.
Related PDF tools
- Stamp Text — Stamp text such as “CONFIDENTIAL” or “DRAFT” on selected pages of a PDF.
- Add Page Numbers — Add page numbers to a PDF in the position and style you choose. Free and private.
- Sign PDF — Add a typed or drawn signature to a PDF in the browser, then download the signed file.
Frequently asked questions
How do I use Watermark PDF?
Drop a PDF file. Type the watermark text. Download with a diagonal mark. The finished file is created in your browser.
Is this watermark pdf tool private?
Yes. Watermark PDF runs locally in your browser, so your PDF is not uploaded to PaperKit or stored on a server.
Will Watermark PDF change my original PDF?
No. PaperKit creates a new downloadable file and leaves your original document unchanged.