ParquetPeek

ParquetPeek makes Apache Parquet files first-class citizens on macOS. Press spacebar on any .parquet file in Finder and instantly see its schema, row count, and compression — no terminal, no Python script, no context switch.

Double-click to open the full viewer: browse nested schemas, scroll data tables built with native NSTableView, inspect per-column statistics, and run SQL queries via an embedded DuckDB engine. Built in SwiftUI, fully sandboxed, zero network access. One-time purchase, no subscription, no account, no data ever leaves your Mac.