A tool to simplify KML files and splits them into spreadsheet rows. Version 2.0.
Or try a demo KML (countries of the world). Source: thematicmapping.org
Max number of decimals
Simplify lines. Choose value between 1 and 100
Size warning: one or more cells contain more than 50000 characters and won't work in Google Spreadsheets
Size warning: one or more cells contain more than 32767 characters and won't work in Excel
Copy field and paste in your spreadsheet