Useful map tools

Geojson.io is a user-friendly and intuitive web-based platform that allows you to effortlessly create, edit, and visualize GeoJSON files. With its simple interface, you can easily draw, import, and modify spatial features, customize their properties, and preview your maps in real-time. Geojson.io empowers you to collaborate with others by sharing and exporting your maps, making it an indispensable resource for anyone working with geospatial information.

Mapshaper.org is a user-friendly web application that simplifies and manipulates geographic data. It provides powerful tools to import, edit, and export map files in various formats. With its intuitive interface, you can easily simplify geometries, adjust attribute data, and perform other data operations. Additionally, Mapshaper.org offers a Command Line Interface (CLI) feature, allowing you to work with very large files efficiently.

Turf.js is a powerful and lightweight JavaScript library for geospatial analysis. It provides a wide range of functions and algorithms to perform various spatial operations and calculations on geographic data. With its intuitive API, you can effortlessly perform tasks like buffering, measuring distances, finding intersections, and more. Turf.js is widely used in web mapping applications, data analysis, and visualization projects. It's an indispensable tool for developers and GIS professionals looking to leverage geospatial capabilities in their JavaScript applications.

It's not very relevant for me at the moment, but may become a very useful tool in the future.