Watermark PDF

Stamp text or a logo across every page of your PDF — protect, brand, or mark your documents, right in your browser.

Drop a PDF file here

PDF files only — up to 100 MB

Browse files

Your PDF is processed locally — nothing is ever uploaded.

how to use

How to watermark a PDF

Upload your PDF

Drop your PDF into the tool. It's opened locally — your document never leaves your device.

Design your watermark

Enter watermark text or upload a logo image. Customize the opacity, size, rotation, and position on the page.

Apply

The watermark is applied to every page (or selected pages) in your browser. Preview the result before finalizing.

Download the watermarked PDF

Save the watermarked document to your device. The watermark is baked into the PDF — not a removable overlay.

about this tool

Watermark PDF without giving up your privacy

Online tools often ask you to upload your files before processing them. For anything sensitive — contracts, statements, personal documents — that's a real privacy concern. This tool takes a different route: everything runs entirely in your browser. Your files are opened locally, processed in your device's memory, and handed back to you. No copy is ever transmitted to a server, which means it works offline too.

Privacy by design. This tool loads once and runs entirely in your browser tab. Close the tab and nothing remains. No cookies, no tracking, no server — just the utility you need, instantly.

faq

Watermark PDF — frequently asked questions

No. The entire process runs in your browser. Your PDF and watermark image never leave your device.

Yes. Upload a PNG or JPG logo and adjust its size, opacity, and position to create a professional semi-transparent brand mark.

You can set the text content (or image), opacity (from barely visible to opaque), size, rotation angle, and position on the page.

Yes. Choose to apply the watermark to all pages, a specific range (e.g., pages 2-5), or individual pages.

The watermark is permanently embedded in the PDF. It's not a separate layer that can be toggled off — it becomes part of the document.

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