LineageAI: Snowflake Column-Level SQL Lineage Tool

LineageAI helps data engineers trace exactly where every column comes from in Snowflake SQL queries, including CTEs, joins, and window functions. Deterministic parsing with no AI hallucinations in the lineage engine.

Features

True column-level lineage, not just table-level
Window function context: PARTITION BY, ORDER BY, frame
CTE dependency graph with plain-English explanations
SQL optimizer with performance suggestions
No signup required, free to use
Raw SQL never stored, only the parsed AST structure