geojson.io is a quick, simple tool for creating, viewing, and sharing maps. geojson.io supports GeoJSON in all ways - but also accepts KML, GPX, CSV, GTFS, TopoJSON, and other formats.
Converting-data
- This post describes how Cloud Optimized GeoTIFFs (COGs) work and where you can obtain them from. It also teaches you how to import COGs into QGIS and how to create a COG using the GDAL command line.
- gdal3.js GUI is a web application that allows you to convert raster and vector geospatial data to various formats and coordinate systems. Try it out here.
- Convert your geospatial files into different formats, for free, with no hard limits. Check out this new tool here.