KML – the Google Earth/Maps markup language – is a handy and convenient way of displaying geographical information on a google map.

To use it though you need to store your KML on a website somewhere where Google can get at it – which makes for quick and dirty KML experimentations a bit of a pain.

SO, I’ve created a quick little Rails application that let’s you see your KML straight away – without having to go through the rigmarole of saving it in a file somewhere first.

Check it out here:

To use it, just type some KML into the box, click the button, then move around on the google map – pretty straight forward!

To get you going, here’s some interesting KML as provided by the Google Maps team. Paste this in then zoom up on Sicily!

<?xml version="1.0" encoding="UTF-8"?>  
<kml xmlns="">
Overlay shows Mount Etna erupting on July 13th, 2001.  
<name>Large-scale overlay on terrain</name>
<LatLonBox id="khLatLonBox751">

There’s some more cool KML samples here

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