How to Add a Watermark to a PDF for Free Online

Protect your documents by adding a text or image watermark. PortPDF's free online tool lets you watermark your PDFs securely and with full control over the result.

Why Add a Watermark to a PDF?

Watermarking is a common way to protect your intellectual property, brand your documents, or indicate the status of a file (e.g., "Draft," "Confidential"). It involves overlaying text or an image onto your PDF pages.

Features of PortPDF's Free PDF Watermarker

  • Text and Image Watermarks: Choose to add either text or an image as your watermark.
  • Customization Options: Control the font, size, color, opacity, and position of your watermark.
  • Secure and Private: All watermarking is done in your browser. Your files are never uploaded.
  • Completely Free: Watermark as many PDFs as you like, without any cost.

How to Add a Watermark to a PDF with PortPDF

  1. Go to the Add Watermark to PDF tool.
  2. Upload your PDF file.
  3. Choose whether to add a text or image watermark.
  4. Customize the watermark's appearance and position.
  5. Click the "Add Watermark" button.
  6. Download your watermarked PDF.

Watermark Your PDFs with Confidence

With PortPDF, you can add watermarks to your documents without worrying about privacy. Our tool works offline in your browser, ensuring that your confidential files remain secure.

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