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Add Watermark to PDF Online Free

Protect your documents with a watermark. PdfWord's free PDF watermark tool adds text or logo watermarks — 'Confidential', 'Draft', your brand — in seconds.

Watermark PDF Now — Free

How It Works

  1. Open the free tool — no account needed.
  2. Drop your file — it never leaves your device.
  3. Get your result in seconds — download instantly.

Frequently Asked Questions

Is watermarking free?

Yes — completely free, no signup.

Text or image watermark?

Both — add custom text or upload your logo.

Can I control opacity?

Yes — adjust transparency, size, rotation and position.

Is my PDF private?

Everything runs in your browser. Nothing leaves your device.