Methods and system for text conversion are described. In one embodiment, free-form text associated with an item may be received. The item may be identified based on the free-form text. The item may be compatible with a parent item. The parent item may be identified based on the free-form text. An item descriptor may be identified in the free-form text. The item descriptor may be a particular term of the free-form text. Compatibility-based text may be constructed for the item based on identification of the parent item and the item descriptor. The compatibility-based text may be capable of being used to identify a plurality of matching items. Additional methods and systems are disclosed.