iohann.s.titov@gmail.com Ivan S. Titov h5json provides a JSON representation of the HDF5 data model, together with the h5tojson, jsontoh5 and h5jvalidate command line tools. It is the serialization layer used by the HDF REST API and is a runtime requirement of h5pyd from 1.0.0 onward. HDFGroup/hdf5-json h5json