Add a CONFIDENTIAL Watermark

Mark a document confidential across every page.

Nid oes angen mewngofnodiMae ffeiliau'n aros yn breifat

Gollwng ffeiliau yma, neu cliciwch i bori

PDF dim cyfyngiad maint ffeil

Pori ffeiliau

Nid yw eich ffeiliau byth yn gadael eich dyfais. Mae'r holl brosesu yn digwydd yn lleol yn eich porwr.

Stamp a text watermark (CONFIDENTIAL, DRAFT, your name…) across every page of a PDF. Runs entirely in your browser; the PDF is never uploaded.

confidential documents tips

🔒

A diagonal "CONFIDENTIAL" at ~20% opacity reads clearly without obscuring the text.

🎨

Red conveys sensitivity; gray is subtler for internal docs.

📄

The watermark is applied to all pages so no page can be shared "clean".

🔒

Sensitive files are watermarked in your browser — never uploaded.

Dewiswch Ffeil

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Proses

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Lawrlwythwch

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Hollol rhad ac am ddim - dim costau cudd, byth

✓Nid oes angen cyfrif, e-bost na mewngofnodi

✓Nid yw ffeiliau byth yn gadael eich dyfais

✓Dim cyfyngiadau maint ffeil o gwbl

✓Dim dyfrnodau ar unrhyw allbwn

Add a DRAFT Watermark

Clearly mark a document as a draft before sharing

Watermark with Your Name or Brand

Stamp your name or company across a PDF you're sha

Mark a Document as a SAMPLE

Watermark preview or sample PDFs you distribute pu

Mark Documents INTERNAL ONLY

Flag internal documents so they aren't shared exte