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H2Omarker graphic

H2Omarker creates visible or faintly visible watermark on images as a way of preventing illegal use. Features are:

Links for H2Omarker: Note that MidiSqueezer is written in Java and you will need to install Sun's free Java2 runtime on your PC to use it.

How does it compare to Digimark in Photoshop?

H2Omarker is not designed to create "invisible" watermarks, it's designed to create those which are visible and therefore much harder to remove. There's a lot of negative controversy about the value of invisible watermarks and I'd recommend Fabian Petitcolas' page at Cambridge University for a fuller discussion of this subject.

Alternatives to watermarking

If watermarking isn't appealing then take a look at ImageSafe which protects web images inside a Java applet.