The ultimate OpenStreetMap validator
What are people mapping? OSMCha is an advanced (yet easy-to-use) tool to analyze bundles of OpenStreetMap edits, called changesets. Advanced filters, vandalism detection, and on-map visualization help you find and verify the changesets you care about.
Meet the team
News and talks
See all postsJoin OSM US in Welcoming Jake Low to the Team!
Please join us in welcoming Jake Low to the OpenStreetMap US team! Jake is a software developer and will be working primarily on MapRoulette and OSMCha, both of which are OpenStreetMap US...
Not just a pipe dream: scaling up OpenStreetMap validation
This talk introduces the new OpenStreetMap data pipeline that has been built for OSMCha and has now been migrated to the OSM US organization. We will talk about real-changesets, one of the...
OSMCha has a new home at OpenStreetMap US
At the beginning of 2023 we announced OSMCha as a charter project of OpenStreetMap US. After almost 10 years of being generously hosted by Mapbox, OSMCha moved to a new home at...
The state of OSMCha
OSMCha is one of the main validation tools for OSM. It was created as an open-source software project in the spare time of a single developer. Then Mapbox supported its development and...
OSMCha Overview
Mappy Hour is back! Join us this month to hear from Wille Marcel about OSMCha: a validation tool for OpenStreetMap.
