geolib

With a minimal bundle size and no external dependencies, it's easy to integrate into any project, as highlighted by the bundlephobia badge showing a small footprint.

All functions are side-effect-free and accept consistent input formats, ensuring predictable outputs and easier testing, emphasized in the README's philosophy.

Handles multiple coordinate formats including objects with lat/lon properties and GeoJSON arrays, and seamlessly converts between decimal and sexagesimal formats.

Provides essential functions for distance calculation, point-in-polygon checks, unit conversions, and more, covering common geospatial needs without bloat.