# Hardwood Parquet parser

7 Hacker News commenters recommended Hardwood Parquet parser and 0 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Free Java library for reading Apache Parquet files, recommended for minimal dependencies and multi-threaded execution, with a row reader included.

## Why people recommend it

- Minimal, no mandatory dependencies (2 comments): "with minimal dependencies and multi-threaded execution" ([source](https://news.ycombinator.com/item?id=46957927)) "Hardwood doesn't have any mandatory dependencies" ([source](https://news.ycombinator.com/item?id=47206905))

## Alternatives hackers recommend

- [Tree-sitter](https://hackerapproved.com/p/tree-sitter.md): 79 recommend
- [Lark parser library for Python](https://hackerapproved.com/p/lark.md): 6 recommend
- [Kaitai Struct](https://hackerapproved.com/p/kaitai-struct.md): 6 recommend
- [Ohm parsing library](https://hackerapproved.com/p/ohm.md): 6 recommend
- [nom Rust parser library](https://hackerapproved.com/p/nom.md): 5 recommend

## Cite as

Hacker Approved, "Hardwood Parquet parser", https://hackerapproved.com/p/hardwood/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).