Convert KML to JSON Online — Free & Fast | AnyConv

KML to JSON Converter

Quickly convert multiple kml files to json — free & online.

Drag & drop your files here or click to upload

How to convert KML to JSON online

Follow these simple steps to convert kml files to json using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your KML file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your KML into JSON. The process usually takes just a few seconds.

Download your JSON

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a KML file?

KML (Keyhole Markup Language) is an XML-based format used for representing geographic data in Earth browsers like Google Earth. It describes placemarks, paths, polygons, and other geospatial elements.

KML is widely used in mapping, environmental research, and tourism to display annotated geographic locations. Files can be extended with images, 3D models, and time-based data.

How to open KML files

KML files can be opened with Google Earth, Google Maps, and various GIS software such as QGIS. They are used for geographic data visualization.

Convert KML to GPX, KMZ, or CSV using AnyConv or GIS tools for use across mapping platforms.

Key facts about KML

  • Full name: Keyhole Markup Language
  • Extension: .kml
  • MIME type: application/vnd.google-earth.kml+xml
  • Developed by: Keyhole, Inc. / Google
  • Initial release: 2001

Useful links and resources

What is a JSON file?

JSON (JavaScript Object Notation) is a lightweight data format used to store and exchange structured information. It is both human-readable and easy for machines to parse, making it ideal for APIs and configuration files.

JSON is widely used in web development, databases, and data science due to its flexibility and support in almost every programming language.

How to open JSON files

JSON files can be opened with any text editor or IDE like VS Code, Sublime Text, and Notepad++. They are also readable by web browsers and command-line tools.

Convert JSON to CSV, XML, or YAML using AnyConv or developer tools tailored for structured data formats.

Key facts about JSON

  • Full name: JavaScript Object Notation
  • Extension: .json
  • MIME type: application/json
  • Developed by: Douglas Crockford
  • Initial release: 2001

Useful links and resources

Convert from KML

Need to change your KML files to a different format? Below are all the available tools to help you turn KML into the format you need.

Convert to JSON

Want to get a file in JSON format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into JSON.

❓ Frequently Asked Questions

Answers to common questions about converting KML to JSON
  • Do I need to register to convert KML files?
    Not at all! You can convert KML to JSON without signing up or installing anything.
  • Is it safe to convert KML to JSON on AnyConv?
    Absolutely. All KML and JSON files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting KML to JSON?
    We do our best to preserve the original quality during KML to JSON conversion. The result is accurate and clean.
  • How long does it take to convert KML to JSON?
    Most conversions from KML to JSON take just a few seconds — even for larger files.
  • Can I upload more than one KML file?
    Yes, batch conversion is supported. You can convert multiple KML files to JSON at once — fast and easy.
  • What browsers support KML to JSON conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting KML to JSON on any platform.