Free Online KML to TOPOJSON Converter

Convert KML to TOPOJSON online from any device, with a modern browser like Chrome, Firefox.

*By uploading your files or using our service you agree with our Terms of Service and Privacy Policy

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KML Keyword Markup Language

KML (Keyhole Markup Language) contains geospatial information in XML notation. KML can be opened in Geographic Information System (GIS) applications provided they support it. Many applications have started providing support for KML format after it has been adopted as international standard.

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TOPOJSON TopoJSON

TopoJSON is a GeoJSON extension that encodes topology. JSON based format designed to represent the geographical features with their non-spatial attributes. This format defines different JSON (JavaScript Object Notation) objects and their joining fashion. JSON format represents a collective information about the Geographical features, their spatial extents, and properties.

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How to convert KML files

How to convert KML files

  • Click inside the drop box area to upload KML files, or drag & drop.
  • You can upload maximum 10 files for the operation.
  • Click on Convert button. Your KML files will be uploaded and converted to result format.
  • Download link of result will be available instantly after conversion.
  • You can also send a link to the KML file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Other Supported Conversions

You can also convert KML into many other file formats. Please see the complete list below.

Fast and Easy Conversion

Fast and Easy Conversion

Upload your document, choose the save format type and click on “Convert” button. You will get the download link as soon as the file is converted

Convert from Anywhere

Convert from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Conversion Quality

Conversion Quality

Powered by Aspose.GISAll files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.

Version: 21.34.3
(Release notes)