Join millions of contributors building the world's free map

Make Your First Edit to OpenStreetMap

Based on a top Hacker News story

2025

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What is OpenStreetMap?

The Wikipedia of maps — free, editable, and community-driven

10M+

Registered contributors worldwide

OpenStreetMap powers maps for Facebook, Airbnb, and countless humanitarian efforts

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Improve your local area Add missing roads, businesses, and points of interest
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Support humanitarian aid Help disaster response teams with accurate mapping data
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Free and open data No licensing restrictions — anyone can use and improve it
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Join a global community Connect with mappers worldwide through collaborative projects

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Your journey from zero to first contribution

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Sign up free at openstreetmap.org

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Select iD for beginners or JOSM for power users

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Search for your neighborhood or anywhere you know

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Add roads, buildings, or correct existing features

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Save your edits and describe what you changed

edit

Browser-based, intuitive interface. Perfect for beginners. No installation required.

computer

Desktop application with advanced features. Ideal for bulk editing and power users.

smartphone

Mobile app for Android. Edit maps on location while you explore.

Every edit improves the map for millions of users worldwide

Visit openstreetmap.org to begin your journey