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Add Watermark

Stamp your text across every page of a PDF. Fast, free, and 100% private.

Drop your PDF here
just one file — it stays on your device

How to add a watermark to a PDF

1

Add your PDF

Drop the file into the box above or pick it from your device.

2

Type your text

Enter the watermark text and choose how strong it should look.

3

Stamp & download

Every page gets the watermark and your PDF downloads instantly.

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Your file never leaves your device

PDFQuokka stamps the watermark right here in your browser — nothing is uploaded or stored.

Frequently asked questions

Can I set the watermark text and strength?

Yes. Type any text, such as CONFIDENTIAL or DRAFT, and choose how faint or strong it appears. It's stamped diagonally across every page.

Are my files uploaded to a server?

No. The watermark is added entirely in your browser. Your PDF never leaves your device.