You only need to record windows sized perfectly to 1280 x 720. You do this with a magical tool called Sizeup.How To Make Amazing Screencasts Nobody Will Watch5304Burke HollandJuri StrumpflohnerFollowAug 23, 2017 · 1 min readFor a free tool, I’m using RDM which works pretty well on my Machttps://github.com/avibrazil/RDM