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Free map tools & guides,
all in one place
Standalone converters, everything the map can do, and guides that tie it all together. Everything runs in your browser and your files never leave your device. Personal and non-commercial use is free; commercial use needs a paid license.
Converters · Map capabilities · Guides
Quick standalone utilities. Everything happens in your browser, so nothing is uploaded and your data stays private.
Lat/Long ⇄ MGRS→
Turn decimal latitude and longitude into an MGRS grid reference, from 100km down to 1m precision, or decode one back to coordinates and UTM.
ConverterLat/Long ⇄ GARS→
Turn decimal latitude and longitude into a GARS reference like 430LE37 at all three levels, or decode one back to its cell.
ConverterLat/Long & UTM ⇄ Maidenhead→
Turn decimal latitude and longitude or a UTM reference into a Maidenhead grid locator like JN58td, or decode one back.
ConverterLat/Long ⇄ Plus Code→
Turn decimal latitude and longitude into a Plus Code like 8FVC9G8F+6X, or decode a full or short code back to its cell.
ConverterGPX → KML→
Convert GPS waypoints, routes, and tracks into a KML file for Google Earth and Google Maps.
ConverterKML → GPX→
Convert Google Earth placemarks, paths, and tracks into a GPX file for your GPS device.
CalculatorSun & Moon Times→
Sunrise, sunset, moonrise, and moonset for any location and date. Runs in your browser, nothing uploaded.
Overlay an MGRS grid
Live MGRS grid from 100km squares down to 1 meter, aligned as you pan and zoom.
Edit a GPX file
Open, edit, and re-export GPX waypoints and routes. Nothing is uploaded.
View a KML file
Drop a KML file on an interactive map and inspect every placemark and track.
Measure distance
Click along any path and read each leg plus the running total, metric or imperial.
Export a map to PDF
Print-ready PDF at true scale. A4, A3, or US Letter, at 150 to 600 DPI.
Place map symbols
SAR incident symbols, MIL-STD-2525 tactical symbols, and hiking pictograms on one map.
Export to GeoJSON
Turn every layer you draw, grids to waypoints, into a clean GeoJSON file.
Analyze sun and moon
Sunrise, sunset, moonrise, and moonset for any spot, plus live sun angle, shadows, and twilight on the map.
Divide an area into sectors
Draw a search or op area, split it into lettered sectors, and paint each SAR team's share in its color.
Longer reads that connect the tools into a workflow.
All of these live inside one map. Open it and use everything together.