I was just using http://www.wordle.net to create a cloud of words from several paragraphs of text, but realised that as I made the image, some words were capitalised and others weren't. I'm not sure if 'Monkey' is treated as a different word to 'monkey' in a wordle visualisation, but none the less, it looked kind of messy in the diagram.So, after a quick Google I found http://www.convertcase.net/ which is great, allowed me to make all my words lower case. Isn't the web a useful thing? Note that I also removed the commas and full stops so that wordle wouldn't treat 'monkey.' differently to 'monkey' – couldn't find something that did that automatically so I had to do it by hand.