I’m sure you’re no longer dealing this is issue, but if you are, see my answer below. GIMP 2.9.4 (a development build, currently) can work and export in 16-bit precision format, and it’s free.
I’m sure you’re no longer dealing this is issue, but if you are, see my answer below. GIMP 2.9.4 (a development build, currently) can work and export in 16-bit precision format, and it’s free.