GIS Visualizer is a free web application for geographic data visualization. With it's intuitive GUI, it provides an easy way to visualize vector data on 40+ base maps and supports most popular vector formats: GeoJSON, GPX, IGC, KML, Shapefile, TopoJSON, WKT, etc.

Especially, it supports the unique POINTS format: just simply a set of points, no any data structure required at all!

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  Import Vector Data

  There are four ways to import vector data: File, URL, Text, and Drag-and-Drop - simply drag and drop GeoJSON, GPX, IGC, KML, or TopoJSON files on to the map.

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  Export Vector Data

  You can export any vector layers as one of the 4 formats: GeoJSON, KML, WKT and GPX. This functionality can be used as vector format converter.

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  Feature/Layer Styles

  There are 3 ways to style a layer: use the Default style, pick a Random style, or build your own Custom style.

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  Display Feature Attributes

  You can determine to show or not show attributes of a feature when the mouse over it. You can show attributes for up to 15 features simultaneously.

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  Longitude/Latitude, and Elevation

  Get longitude/latitude and elevation (AMSL) at any spot all over the world by mouse clicking at that spot.

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  Integrated with Google Earth

  Click any place on the map all over the world, launch Google Earth (web) at that spot.

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  Search Airports

  Search any airports all over the world, get related information (runways, Wikipedia, etc.), and lauch Google Earth (web) at that airport.

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  Measurement

  Get the length of any objects on the map, route segments, and get the area of any polygons on the map.

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  Drawing on Map

  You can draw up to 7 different shapes easily: Box, Circle, LineString, Point, Polygo, Square, Star. Especially, you can draw circles with given center and radius.

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  Base Maps

  There are over 40 base maps for you to choose, inclding several high quality satellite base maps.

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  Notes on the Map

  You can place notes on the map at the spot you want, and with the color and font size you like.

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  Map Scale

  You can swith between map scale line and scale bar easily.

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  Mouse Position

  You can always see the longitude and latitude at current mouse point on the map. You can switch between decimal degrees (DD) and degrees minutes seconds (DMS) representation, and change the precision of the longitude and latitude.

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  Map Graticule

  Turn map graticule on/off easily so you can locate places on the map quickly and navigate smothly.