A data conversion system, method, apparatus, and article of manufacture for applying source data a data target in a computing environment. There may be an extraction module for extracting source data and a conversion module for performing a data conversion process. The data conversion process is graphically configurable; stored and streamed in machine language; and includes integration objects, organized in a drag and drop hierarchical structure, including subordinate integration objects, wherein a property of an integration object may be set at a run time. There is a documentation generation module configured to display data mapping. The extraction module handles large records, parses records into sets in a single pass, permits visual analysis of source data, includes parse objects, permits creation of parse objects by click and drag, and creates key fields at run time.