Paste your text in the textarea, which should appear in word cloud.
4. Randomize Result
Click "Randomize" until you like the result.
If you want to have it more customized, change the settings in menu bar. You should create your own color palette.
Click on "Print".
Choose a virtual Printer to create a file like PDF or JPEG. I use the free tool PDF-Creator, which can create images. You can download this PDF-Creator here for free. If you use it, be sure to change the quality of your pics to 100% in the settings.
Insert your Word Cloud in your Powerpoint Slide. Done!