@Adilos-Cantuerk As OOTB feature, Image Presets can be defined globally and applies to all the Images.
If the Preset are being applied to different Sites, then the logic to apply different Presets can reside at Component Level (Model exposing multiple Presets and Front End Logic providing a mark up to render multiple Presets.
The second part to your query. It is possible to check in different Image Presets pertaining to two different tenants in your code under conf/branch1 and conf/branch2, but there will be a lot of Overlay efforts to develop the Author Console for two tenants, with respective Access Control.