PDF Watermark - Add Watermark to PDF Online | ToolBox
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PDF Watermark

Add custom text watermark to your PDF files

📄

Drop PDF file here, or click to select

Supports watermarking single PDF files

⚙️ Settings

20%

📝 Tips

  • All processing done locally in your browser
  • Files won't be uploaded to any server
  • Supports custom text, size, color, and opacity
  • Choose single center or tiled watermark mode

About PDF Watermark

Add watermark to PDF files online. Customize watermark text, position, opacity, font size, and rotation. Free and secure. This tool is designed for quick everyday work and runs directly in your browser whenever possible, helping you avoid unnecessary uploads and keep your files private.

How To Use

  1. Open the tool and add your file or paste the content you want to process.
  2. Adjust the available options, such as quality, format, size, range, or output style.
  3. Preview the result when the page provides a preview, then download or copy the final output.

FAQ

Is this tool free?

Yes. The tool is free to use and does not require registration.

Are my files uploaded to a server?

Most processing is completed locally in your browser. For privacy, avoid closing the page before downloading your result.

Why does the output look different from the original?

Some formats, compression settings, fonts, or browser limitations can affect the final result. Try changing the options and processing again.