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Developer’s Corner
Using GFW's public Application Programming Interface (API) and open source code, anyone can build on GFW data and technology to create customized web-based or mobile applications. This section contains the tools and information you need to develop applications that harness Global Forest Watch data and technology.

Want to create your own version of Global Forest Watch, featuring a specific location or type of data? Map Builder is an easy tool to help you build your own mapping portal, complete with powerful analytical tools.

  • Compelling data

    Choose from dozens of data layers curated by Global Forest Watch – or upload your own.

  • Powerful analysis

    Add tools for statistical and geospatial analyses that run right in your browser.

  • Proven platform

    My Forest Atlas is built on ESRI’s easy-to-use ArcGIS Online mapping platform.

  • Broad reach

    Share your maps with integrated social media tools, or add them to the map gallery.

Start Building Your Map

Here’s your 1-2-3 guide on getting started.

  • 1

    Watch the tutorial videos

    These step-by-step guides will teach you how to set up an ArcGIS Online user account, produce a basic interactive map, and share your map online.

  • 2

    Create a map

    Add data layers to the map canvas, and start styling. All of your progress will be saved to your account, so you can work at your own pace.

  • 3

    Share your forest atlas

    Use integrated social media tools to share your interactive map with your networks, export the map as a static image, or submit it into the map gallery.


Just getting started? Or need some help? Our tutorials will get you pointed in the right direction.

  • Build a Custom Web App in ArcGIS (for organizational accounts)

  • Build a Custom Web App in ArcGIS (for public accounts)

  • Create a Web Map in ArcGIS Online

  • Map Builder Interactive Map Overview