Watermark

Stamp text across every page. Choose the size, color, opacity, and where it sits.

Stamp a text watermark across the page — great for marking drafts, confidential documents, or samples.

Choose a PDF to watermark

Drag & drop here, or click to browse

Select files

About this tool

Add a text or image watermark to every page of a PDF to protect or brand your document. Set the position, opacity, and size — all processed locally in your browser.

Marking a document as a draft or adding a brand logo across every page is a common need. This tool overlays your watermark on each page with adjustable placement and transparency. PDF.js does the work on your device, so your file never leaves your machine.

Why use it

Fast, private watermarking with full styling control — ideal for drafts, contracts, and branded reports.

How it works

Upload the PDF to watermark.
Set the watermark text or image, position, and opacity.
Download the watermarked PDF.

Frequently asked questions

Is my file uploaded?

No — the watermark is applied locally in your browser.

Can I use an image watermark?

Yes, in addition to text watermarks.

What can I customize?

Position, opacity, and size of the watermark.

All processing on this page happens locally in your browser — your files are never uploaded to a server.