Add Watermark to PDF

Add text watermarks to PDF documents. Customize the text, opacity, size, and rotation. Free browser-based tool.

✓ Text watermark✓ Custom opacity, size, and angle✓ Browser-based, secure✓ Instant preview

Upload PDF

Select a PDF to watermark · max 50MB

Drag PDF here

Supports files up to 50.00 MB

Preview

Watermark appears centered on each page

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Support

Frequently Asked Questions

Not yet — this tool currently supports text watermarks only. Image watermarks may be added in the future.
Yes. Processing runs in your browser; PDFs are not uploaded for this tool.
Yes. The page provides text, opacity, size, and rotation angle controls. The watermark is centered on the page.

Quick start

How to Use PDF Watermark

1

Upload PDF

Upload the PDF to watermark.

2

Configure

Set text, opacity, size, and angle.

3

Apply

Stamp the watermark on every page in-browser.

4

Download

Save the watermarked PDF.

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About this tool · PDF Tools

Free online watermark pdf: how Add Watermark to PDF works

Add Watermark to PDF on TextExtraction.online is a free watermark pdf tool for add watermark to pdf, add text watermark to pdf, pdf text watermark. Add text watermarks to PDF documents. Customize the text, opacity, size, and rotation. Free browser-based tool. Processing runs in your browser, so files stay on your device for privacy.

Why use this free watermark pdf tool?

  • Text watermark
  • Custom opacity, size, and angle
  • Browser-based, secure
  • Instant preview
  • No registration required for standard use — open the page and start immediately.
  • Works on phone, tablet, and desktop modern browsers with a mobile-friendly layout.

When to use Add Watermark to PDF

Choose Add Watermark to PDF when you need a free online watermark pdf workflow without installing desktop software. Browser PDF utilities are ideal for quick merge, split, compress, rotate, protect, and convert tasks. For more free OCR and document tools, return to the TextExtraction homepage.