Lossy data conversion

Generally, lossy data conversion refers to the conversion of data from one storage format to another in a way that doesn't allow the exact recovery of the original data. In particular, it can refer to lossy type conversion, where some values in the original type cannot be represented in the target type, or to lossy file conversion, where the target format does not support all the feature of the original format.

This keyword could refer to multiple things. Here are some suggestions: