About Parquet Tools

What is Parquet Tools?

Parquet Tools is a powerful browser-based tool for exploring, querying, and analyzing Parquet files. Built with WebAssembly and powered by Apache Arrow, it brings high-performance data processing directly to your browser—no server required.

Key Features

  • Browser-Based: Process Parquet files entirely in your browser with no uploads to external servers
  • SQL Querying: Write SQL queries to filter, transform, and analyze your data
  • Multiple Files: Load and work with multiple Parquet files simultaneously
  • Schema Viewer: Inspect column types and table structures
  • Data Grid: View your data in a paginated, interactive grid
  • Privacy-First: Your data never leaves your browser

Technology Stack

Parquet Tools leverages cutting-edge web technologies:

  • Next.js: Modern React framework for the user interface
  • WebAssembly: High-performance computation in the browser
  • Apache Arrow: Columnar data format for efficient processing
  • Rust: Safe, fast backend compiled to WASM

Use Cases

Parquet Tools is ideal for:

  • Data analysts exploring Parquet files locally
  • Developers debugging data pipeline outputs
  • Data scientists performing quick data investigations
  • Anyone needing to inspect Parquet file contents without setting up infrastructure

Open Source

Parquet Tools is open source and welcomes contributions. Visit our GitHub repository to report issues, suggest features, or contribute code.