Preview: max dimension dim 980px, 70% quality
Loupe: max dimension dim 1800px, 80% quality
Full (1:1): 100% size, 90% quality
The compression quality can be configured on a per-account basis for Enterprise and Unlimited accounts. These settings are not controllable from the user interface; the adjustments can only be performed upon request by DF Studio support. Changes applied to quality/compression levels are not retroactive to existing previews.