Watermark your PDF before you send it.

A contract that isn’t final yet, financials that shouldn’t circulate, a copy that needs to say it’s a copy — pick a stamp or type your own, tune it in the live preview, and apply it to every page.

Select PDF File or drop your PDF here
Files never leave your device Free — no signup No uploads, no servers
How it works

Preview it, then stamp every page

1

Load and choose wording

Pick a preset stamp or type anything up to 40 characters.

2

Tune it on a real page

Tune color, size, and opacity on your real first page.

3

Apply to the whole document

One click stamps every page and hands you the file.

FAQ

Watermark questions

It becomes a text layer inside the PDF, so someone with a PDF editor and intent could remove it. That’s true of most watermarks — treat it as clear labeling, not tamper-proof security. For confidentiality with teeth, pair it with an NDA.
That’s what the opacity slider is for — at the default 20%, the stamp reads clearly while everything under it stays legible. The live preview uses your real first page, so what you see is what every page gets.
Yes — the text field takes anything up to 40 characters. Firm names, “Client Copy — Smith LLC,” case numbers, whatever the document needs.
No. The preview is rendered by your browser and the stamped PDF is rebuilt there too — fitting, since documents that need CONFIDENTIAL stamped on them are exactly the ones that shouldn’t visit a stranger’s server.

Stamping DRAFT on a contract
you wrote from scratch?

BizDocs drafts it for you instead — answer plain-English questions and get a complete, professional document with revisions handled in your account.