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How to Add a Watermark to PDF Online (Free)

Need to mark a document as DRAFT, CONFIDENTIAL, or with your company name? A text watermark protects your work and signals its status. PdfWord's free Watermark PDF tool stamps diagonal or custom-positioned text across your pages in seconds — in your browser, no signup, no watermark-of-its-own irony.

Steps

  1. Open the Watermark PDF tool — Go to the Watermark PDF page and drop in your PDF.
  2. Type your watermark text — e.g. DRAFT, CONFIDENTIAL, or your name — and pick size, opacity, and position.
  3. Apply and download — The watermark is stamped on every page. Free forever.

Use the Free Watermark PDF Tool →

Frequently Asked Questions

Is adding a watermark free?

Yes — free, no signup, and no extra branding added to your file.

Can I control how it looks?

Yes — adjust text, font size, color, opacity, rotation, and placement.

Is my document uploaded?

No. Watermarking runs entirely in your browser — your file never leaves your device.