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This web site is no longer maintained (but will remain online).
Please see The HDF Group's new Support Portal for the latest information.

What is HDF5?

HDF5 is a unique technology suite that makes possible the management of extremely large and complex data collections.


The HDF5 technology suite includes:


The HDF5 data model, file format, API, library, and tools are open and distributed without charge.

Building on its 20-year history, The HDF Group offers personalized consulting, training, design, software development, and support services to help clients take full advantage of HDF5 capabilities in addressing their unique data management challenges.

- - Last modified: 27 January 2017