Watermark PDF
Stamp CONFIDENTIAL, DRAFT, or any text across every page — with a live preview so you get it right the first time. Free, instant, and private. Your file never leaves your browser.
Drop a PDF here, or click to choose
Text or logo watermark — with a live preview
Choose PDF0 bytes of your file have left this device. Counted live in this tab, not claimed — open your browser’s Network tab and watch.
How it works
- 1
Drop your PDF in, or click to choose it.
- 2
Type your text and tune position, color, size, and opacity — the preview updates live.
- 3
Click Watermark and your stamped PDF downloads instantly.
Frequently asked questions
Is it really free?
Yes — watermarking is completely free, with no signup and no limits on pages.
Is my PDF uploaded to a server?
No. The watermark is stamped entirely inside your browser, so your document never leaves your computer.
Can I see the watermark before downloading?
Yes — the first page is previewed live, and it updates instantly as you change the text, position, color, size, or opacity.
Does it watermark every page?
By default, yes — or type a page range like “1-3, 7” to stamp only those pages. Pick any of nine positions, tile it across the page, and rotate it to taste.
Will it cover my text?
The watermark is drawn with adjustable transparency (18% by default), so the document underneath stays readable. Turn opacity up for a stronger stamp — or switch the layer to “Behind content” and the watermark renders underneath your text and images, so nothing is ever covered.
Can I use my logo as the watermark?
Yes — switch to Logo mode and upload a PNG or JPG. PNG transparency is preserved, and you control the size, position, rotation, and opacity, with the same live preview.
What usually comes next
The step most people take after this one — and why.