How do I add a watermark to a PDF?

Upload your PDF, choose text or image watermark, customize the position, opacity, and rotation, then download your watermarked PDF. All processing happens in your browser.

Can I add my company logo as a watermark?

Yes! Select 'Image' watermark type and upload your logo (PNG or JPG). You can adjust the size, position, and opacity to get the perfect result.

What text watermarks are available?

You can type any custom text, or use presets like CONFIDENTIAL, DRAFT, COPY, SAMPLE, APPROVED, or VOID. Customize font size, color, and rotation.

Yes, 100%. Your PDF is processed entirely in your browser using pdf-lib. No files are uploaded to any server.

All tools

pdf_watermark()

// add text or image watermark to PDF

Drop files here

or click to browse

Accepted: .pdf

// how it works

upload your pdf file
choose text or image watermark
customize position, opacity & rotation
download watermarked pdf

$ privacy: all processing happens locally in your browser

About PDF Watermark

A watermark tells everyone how a document should be treated — DRAFT, CONFIDENTIAL, your company name, or a logo across every page. This free tool adds a text or image watermark to your PDF with full control over position, opacity and rotation, so it's visible without burying the content. Everything runs in your browser, so even sensitive documents never leave your device.

How to use PDF Watermark

1
Upload PDF
Select the PDF document you want to add a watermark to.
2
Configure watermark
Enter watermark text and adjust font size, color, opacity, and rotation angle.
3
Download watermarked PDF
Click download to save your PDF with the watermark applied to all pages.