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KML (KML) - Keyhole Markup Language - XML-based geographic annotation format for Google Earth. Best for google earth visualization, geographical overlays, placemarks.
BNA (BNA) - Atlas BNA, geographic boundary and area data format. Ideal for atlas gis boundary exchange, regional mapping, legacy spatial data conversion.
Yes, GoConvertFile offers free conversion of KML to BNA for files up to 100MB. No registration required.
Most KML to BNA conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
BNA is ideal for atlas gis boundary exchange, regional mapping, legacy spatial data conversion. Atlas BNA, geographic boundary and area data format
Yes, converting KML to BNA uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.
BNA files are typically 50-80% smaller than KML files because BNA uses efficient lossy compression. The exact reduction depends on quality settings.
KML (Keyhole Markup Language) is Google Earth's native format for geographic annotation, supporting placemarks, polygons, 3D models, and image overlays.
Atlas Boundaries (BNA) is a simple ASCII coordinate format for storing polygon boundary data, originally developed by Atlas GIS for representing area features like postal codes, sales territories, and administrative regions as coordinate lists.
Reach for KML when your priority is google earth visualization, geographical overlays, placemarks — its uncompromising quality ensures every detail is preserved.
Reach for BNA when your priority is atlas gis boundary exchange, regional mapping, legacy spatial data conversion — its efficient compression makes sharing fast and storage minimal.