Coordinate Converter
Convert live between Decimal Degrees, DMS, UTM, MGRS and Geohash, with an interactive map. Click or drag the marker to set a location.
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Tool category
Maps & GIS tools
Coordinate converters, GeoJSON, geocoders, grids, and map utilities.
55 browser tools
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No installs, no tracking
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Featured
A short list of favorites, updated now and then.
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Maps & GIS tools
18 items
GeoJSON Viewer & Editor
Paste, drop or load GeoJSON, see it on a map, click features to edit their properties, validate, and re-export.
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Bounding Box Picker
Draw or type a geographic bounding box and copy it in the five formats APIs want — CSV, WKT, GeoJSON, Leaflet and Overpass.
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Static Map Generator
Compose a map view with pins, then export a ready-to-use PNG image or an OpenStreetMap embed snippet. No API keys.
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Batch Geocoder
Paste a list of addresses or place names and get coordinates for all of them — on a map and as CSV or GeoJSON.
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Spatial Data Scraper
Extract locations from a URL or pasted page text — addresses, cities, landmarks — geocode them, preview on a map, and export JSON, CSV or GeoJSON.
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Sun Calculator
Sunrise, sunset, twilight and golden hour for any place and date, with a sun-path chart. NOAA-accurate math, no libraries.
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Weather
Current conditions, a 24-hour strip with sparkline, a 7-day forecast and a live precipitation radar for any place — offline caching, °C/°F toggle.
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Moon Calculator
Moonrise, moonset, phase and illumination for any place and date, with a live moon disc and a month of phases at a glance.
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Elevation Profiler
Draw a route on the map and see the terrain profile under it — distance, climb, descent and steepest grade.
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Radius & Buffer Tool
Drop a pin and draw accurate distance rings around it — true geodesic circles, not flat-map approximations — then export GeoJSON.
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Flight Route Plotter
Build a multi-leg route between airports and cities, see true great-circle paths with distances and flight times.
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Photo Location Viewer
See where your photos were taken from their hidden EXIF GPS data, map them, and save clean copies with the metadata stripped.
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Map Projection Explorer
See the world in 19 map projections, visualize distortion with Tissot's indicatrix, and compare Mercator vs Gall-Peters side by side.
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GeoJSON Diff Viewer
Compare two GeoJSON files — added, removed and changed features matched by ID or geometry, shown on a map and in a detail list.
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Choropleth Map Builder
Paste CSV data keyed by US state or country, fuzzy-match it to real geography, and get a colored choropleth map with a legend — export SVG or PNG.
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Coordinate Grid Generator
Draw lat/long graticules, UTM and MGRS grids over a real map — styled, labeled, and exportable as GeoJSON or a standalone SVG.
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Map Style Builder
Design a map color theme on a live sample city — water, roads, parks, labels — and export a real MapLibre style JSON or theme tokens.
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