An online web tool that lets you protect your images by adding your mark to them. 

It allows you to add visible watermarks to any image you want.  The process is straight forward, simply...

• upload the image from your computer,
• style the watermark you want to add, and
• click on “Generate”  button. 
  WatermarkTool will  add watermark to the image and give you an option to download and save it to your computer.

Find out more and or try it out at http://www.watermarktool.com/.