It's worth noting that the encoding format you are using is Google's Encoded Polyline Algorithm Format. As you said you are not a coder, I wrapped the functionality into a JSFiddle for you so you can use this as an online tool - but be aware that if you want to do a lot of conversions you may want to use code to automate this. You'll find the tool at https: Paste your code into "Encoded Polyline" and click "Decode".
Your example encoded polyline Geojson to kml online dating the following linestring:.
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