The HDF Group


Got HDF5?

Visualization of an HDF5 file
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(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.)

The HDF Group

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

People around the world rely on open source HDF software and use it to solve some of the most challenging data management problems.

Map showing HDF5 downloads.