JsonManager-Blender-Addon

The JSON Importer/Exporter addon for Blender provides a seamless solution for importing and exporting 3D mesh data in the JSON format. With this addon, users can effortlessly import 3D models stored in JSON files into their Blender scenes, or export selected mesh objects from Blender to JSON files for use in other applications. This versatile tool streamlines the interchange of 3D geometry data, facilitating smoother workflows and interoperability between Blender and external platforms or tools.

The best of all it is free :)