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MAT HDF5
File conversion

Convert MAT to HDF5

QUICK ANSWER
Is it possible to convert MAT to HDF5?
Yes - MAT converts to HDF5.

A v7.3 .mat already IS an HDF5 file (rename/inspect with h5py/HDFView). To get HDF5 from an older .mat, save in MATLAB with -v7.3, or re-export the loaded data via h5py.

Also to HDF5: NC · MF4

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert MAT to HDF5

Converting a .MAT file to .HDF5 lets you open the content in software that prefers the .HDF5 format, though some details may change compared with the original. We are still putting together the list of programs that handle .MAT files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

About these formats

.MAT MATLAB MAT-File (Data)

A MAT file is almost always a MATLAB data file - a binary container holding named variables (matrices, arrays, structs) saved from a MATLAB session. Open it for free in GNU Octave or read…

Open .MAT details →
.HDF5 HDF5

A .HDF5 file is associated with HDF5, a misc file.

Open .HDF5 details →