Add Watermark

Stamp text across every page of your PDF.

Drop a PDF or click to upload

About Add Watermark

Add Watermark draws the text you provide across every page using the selected style settings.

How to Use Add Watermark Online

  1. Upload a PDF and enter the text to stamp.
  2. Choose font size, opacity, color, and angle.
  3. Select Add Watermark.
  4. Review every page for readability and placement before sharing.

100% Client-Side Privacy

Files process in local browser memory via WebAssembly. Your documents are never uploaded to remote servers.

Supported Input

One PDF and watermark settings

Output Result

A watermarked PDF

Practical Pro-Tip

Use low opacity when the underlying content must remain readable.

Need Visual Step-by-Step Guidance?

Explore our complete walkthrough for Add Watermark with full interface screenshots, option reference, and troubleshooting FAQs.

Read Add Watermark Guide

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Created by @officialhazim42 · Free forever · No sign-up · No uploads to server