All-in-one online, free, browser-based toolkit for geographic data analysis. It offers: - Interactive Map Tools: Measure distances and areas directly on the map. - Data Format Converters: Convert between TopoJSON and GeoJSON formats seamlessly. - Coordinate Utilities: Perform conversions and other coordinate-based operations.

No sign-up required, and all tools run client-side for privacy and speed.

Built with open standards and designed for developers, educators, and anyone interested in geographic data.

AudioMass is a free, open source, web-based Audio and Waveform Editor. It runs entirely in the browser with no backend and no plugins required!