Documentation

•  Delete unnecessary points allows you to monitor removing via points, where 60% ratio deletes all via points, when 20% ratio is chosen, only one point is remained instead of two points. Finally, 0% ratio has no quality losses.

• Compress lets you optimize fonts by transforming and simplifying their curves, margins and layout, quality-sensitive. This checkbox enables/disables Fonts optimization. Please, use slider to choose necessary optimization rate. 

Other tabs:
Main settings 
Shapes & Morphs 
Images 
Sounds 
Video 
Format