Mark drafts, protect your name on shared files, or number pages automatically. Add a text watermark to any PDF online for free, right in your browser.
A watermark does not stop someone from copying a PDF — no tool does. What it does is make copies traceable and discouraging: a draft stamped "CONFIDENTIAL" is much less likely to be forwarded carelessly, and a document carrying your name still says it is yours even after it has been shared twice. For consultants, designers and writers, that traceability is often worth more than any lock.
The tool adds text watermarks — a company name, "DRAFT", "CONFIDENTIAL", or your own name — with control over position, size, opacity and rotation. A slightly transparent, diagonally placed mark is the standard look: readable enough to identify, subtle enough not to fight with the content. Page numbers are also supported for the cases where the document just needs numbering.
A watermarked PDF for client review can be compressed afterward to make it lighter to email — the watermark stays perfectly sharp because text is vector data, not pixels. Pair the Watermark tool with Compress PDF, and pair it with the Password tool when a draft needs both a visible label and an open lock.
For drafts, use both: a diagonal "CONFIDENTIAL" watermark plus password protection. The watermark prevents casual forwarding; the password prevents casual opening.