The easiest way to calculate any ratio.
This is very useful, specially for designers who are trying to figure out the dimensions a certain asset should be, aspect:ratio provides you with a very simple and fast way to calculate it by just writing a base ratio, or selecting one from the presets, and then writing either the width or the height values and aspect:ratio will automatically calculate the other value for you.
With a dark and light theme, it is easy to use under any lightning conditions, and if you want, you can also choose for aspect:ratio to not round the results.