Go to . Click "Authorize Now" to link JOSM to your OpenStreetMap.org account. This allows you to upload your changes to the global map. Enable Essential Plugins
Which is the most accurate for your region?
Access hundreds of community-made tools for buildings, turn restrictions, and more.
Always run the Validation Tool (blue checkmark) to catch errors like overlapping buildings or disconnected roads. System Requirements OS: Windows 10/11, macOS 10.11+, or modern Linux. RAM: 2GB minimum (8GB+ recommended for large datasets).
Minimal, but extra space is needed for caching satellite imagery. To get started, How to fix specific map errors like "crossing ways"?
Many distributions offer JOSM via the terminal (e.g., sudo apt install josm ). Setting Up JOSM for the First Time
Go to the "Imagery" menu and select Bing, Mapbox, or Esri aerial photos to trace real-world features.
Click the icon (green arrow). Use the map interface to select a small area you wish to edit. JOSM will fetch the existing nodes, ways, and relations from the OSM server. Tips for Efficient Mapping
Go to . Click "Authorize Now" to link JOSM to your OpenStreetMap.org account. This allows you to upload your changes to the global map. Enable Essential Plugins
Which is the most accurate for your region?
Access hundreds of community-made tools for buildings, turn restrictions, and more.
Always run the Validation Tool (blue checkmark) to catch errors like overlapping buildings or disconnected roads. System Requirements OS: Windows 10/11, macOS 10.11+, or modern Linux. RAM: 2GB minimum (8GB+ recommended for large datasets).
Minimal, but extra space is needed for caching satellite imagery. To get started, How to fix specific map errors like "crossing ways"?
Many distributions offer JOSM via the terminal (e.g., sudo apt install josm ). Setting Up JOSM for the First Time
Go to the "Imagery" menu and select Bing, Mapbox, or Esri aerial photos to trace real-world features.
Click the icon (green arrow). Use the map interface to select a small area you wish to edit. JOSM will fetch the existing nodes, ways, and relations from the OSM server. Tips for Efficient Mapping
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