Mapshaper.org
mapshaper
Edit, simplify, and convert map data files right in your browser. Mapshaper makes working with geographic data easy, fast, and accessible online.
Edit and simplify map data in your browser
Mapshaper is a web-based tool that lets you upload, edit, and simplify geographic map files directly in your browser. You can easily import formats like Shapefile, GeoJSON, and TopoJSON, then clean up or convert your data without needing any special software.
The site is ideal for anyone working with maps—whether you're a GIS professional, student, or hobbyist. Its simple interface makes it easy to adjust boundaries, reduce file sizes, and prepare map data for further use. You get real-time previews of your changes, making it straightforward to get your data just right.
Mapshaper stands out for its convenience and speed. Since it's online, you don't have to install anything or worry about compatibility. Whether you're fixing a quick map or preparing data for a project, Mapshaper gives you powerful editing tools right at your fingertips.
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