I've used my Hi-Lift Jack to change blades on my Dixie Choppers for nearly 20 years. I wouldn't say that it's the best way but it works for me. I use it on level ground on concrete. I also have an overhead chain hoist.
Dixie Chopper XWD3500-60 - Wright Stander X - Echo SRM 2100SB - Echo PAS-260
Echo PB-650T - Echo PB-770T - Echo HC-1500 - Shindaiwa T2500 - Shindaiwa PB270 - Shindaiwa PS344