PDF Watermark Adder

Add a custom text watermark to every page of your PDF — fast, private, and 100% browser-based.

About This PDF Watermark Adder

The PDF Watermark Adder by ToolsNo1 lets you add a custom text watermark to your PDF instantly. Everything is processed right in your browser — no uploads, no privacy risk.

How to Use

  1. Upload your PDF file.
  2. Enter your desired watermark text and pick a color.
  3. Adjust the opacity and click Add Watermark.
  4. Download the new PDF instantly.

Why Use It?

  • Protect sensitive documents by marking them as confidential.
  • Brand your documents with your business name or logo text.
  • All processing is local — nothing is uploaded to servers.

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