Just try it, if you hoard data or clean up client systems. It's the best Windows file size checker in 21 years, since windirstat appeared.

It's not just an improvement, it's freaking astonishing.

I sincerely hope that the author open sources it one day, or that mtf-based solutions come to open source.

It's just life changing and will change when you want to do a scan. It removed any sense of hesitation or time waste.