Are my files uploaded to a server?

No. Every file you select is processed entirely inside your browser using your device's own memory. Nothing is uploaded, stored or shared, so customer documents never leave your computer or phone.

Is there any limit, watermark or sign-up?

No. The tool is free, unlimited and needs no account. Output files carry no watermark of any kind.

Can I use an image watermark?

Not in this version — the tool adds text watermarks only.

PDF Editing

Add Watermark to PDF

Stamp text such as COPY or CONFIDENTIAL across pages.

Runs fully in your browser Free, unlimited, no watermark

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How to use

1Select the PDF.
2Type your watermark text and adjust position, size and opacity.
3Press Add watermark and download.

About this tool

Protect a shared document by adding your own text watermark to every page, with control over the position, angle, size and how faint the text appears.