slicerflowWatermark PDF
Watermark PDF

Add a watermark
to your PDF

Stamp a text watermark across your PDF — set the opacity, angle, position and page range, preview it live, then download. It runs in your browser, so nothing is uploaded.

No account · no install · nothing uploaded · MIT open source

# watermark a PDF — 3 steps
1. Import   drop your PDF
2. Style   text · opacity · angle · tile
3. Export   download the stamped PDF

Open the studio's 📄 PDF tab to start.

How to add a watermark to a PDF

A live preview shows the stamp before you export.

Import the PDF

Drop your PDF and select any page to preview.

Style the watermark

Turn on the watermark, type your text, and set opacity, size, colour, angle and position — diagonal, centre, tiled, top or bottom.

Export

Click Export PDF to download the watermarked document.

Why watermark PDFs with slicerflow

More slicerflow PDF tools

Watermark PDF — FAQ

How do I add a watermark to a PDF?

Open the PDF tab, import your PDF, turn on the Watermark in the panel, type your text and set the opacity, angle and position, then click Export PDF.

Can I make the watermark diagonal or tiled?

Yes. Choose diagonal, centre, tiled, top or bottom, and set any rotation angle you like.

Is the watermark applied privately?

Yes. The watermark is drawn in your browser and nothing is uploaded to a server.

Can I watermark only some pages?

Yes — the watermark can apply to the whole document or a specific page range.

Watermark your PDF

Stamp your text, set the opacity and angle, and download — free, in your browser.