How to use this tool
- Choose your file or try the example.
- Run the tool and check the result.
- Save the result where a download is available.
Supported features & limits
Reads OSM XML up to 10 MB and raw/zlib PBF up to 20 MB. Limit 100,000 objects, 500,000 references and 64 MB expanded PBF. Shows a local geometry map without background tiles; preview limits 5000 features and 50,000 points. GeoJSON exports tagged nodes and complete ways; common closed area tags become polygons. Assembles complete way-based multipolygon/boundary relations, including inner rings and reversed/split ways. Incomplete area relations and other relation types remain available as JSON metadata. History, ZSTD/LZ4 and required extensions other than DenseNodes are unsupported.
What happens to my files?
Your browser reads the file locally. File contents are not sent to our server. Closing or resetting this page clears the working result. Downloaded copies remain on your device.
Maintained by Roman Zmazhenko. Updated 1 November 2026.