Our non-profit mission is to ensure efficient and equitable access to science and engineering data across platforms and environments, now and forever.

The HDF Group develops and maintains the feature-packed HDF5® technology suite, which is backed by complementary services. While help is available in the vast ecosystem, our experience and expertise will give you the decisive edge.

For over 25 years, people worldwide have relied on our open-source HDF software to solve some of the most challenging data management problems.

A map with blue dots showing the location of HDF5 and HDFView Downloads through this website.

Weekly HDF Clinic

Learn more about Call the Doctor, our weekly session where our experts will present some information on their work and answer community questions.

Got HDF5?

Curious to see what’s inside? Try this!

(This free tool will show you the contents of an HDF5 file in your browser, without any data leaving your computer! For more info, check out H5Web.)

Follow us      

This field is for validation purposes and should be left unchanged.

Support HDF5

Donate to support our non-profit mission, HDF maintenance, and the wider ecosystem.