The HDF Group


Got HDF5?

Visualization of an HDF5 file
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.)

General Topics in HDF5

*** Work-in-Progress ***

Topic Description
Environment Variables Used by HDF5 Environment variables that can be used when building or using HDF5
Using Compression in HDF5 Resources regarding compression
Improving I/O Performance When Working with HDF5 Compressed Datasets A description of the factors that should be considered when storing compressed data in HDF5 files and how to tune those parameters to optimize the I/O performance of an HDF5 application when working with compressed datasets (PDF)
Parallel HDF5 Information on Parallel HDF5
Fill Value and Space Allocation Behavior A table summarizing of the behavioral interactions of HDF5 fill value and storage allocation settings
H5Fill Behavior The library’s fill value behavior for property list settings
Using Identifiers Description of how identifiers work
UTF-8 encoding in HDF5 applications Information on using UTF-8 encoding in HDF5 applications
HDF5 Dimension Scale Specification and Design Notes  

For more advanced features, see Advanced Topics in HDF5