ON1 Effects From A to Z! ON1 Effects 2021 is a complete stylizing tool for your photos. With a professional-grade effects engine that includes 31 filters, Effects gives you endless possibilities for finishing your photos, with extensive stacking, masking and blending options; hundreds of borders and textures; and a set of local adjustment tools for applying basic tone and color options to your images. To help get you started, Effects comes with more than 100 built-in presets, and you can save and apply your own presets with the click of a button.