Building a Client-Side Geo/Parquet File Viewer

Built on webassembly, works in browser, and data never leaves your computer

JavaScript
WebAssembly
Parquet
DuckDB
Open Source
Author

Pukar Bhandari

Published

April 12, 2026

Want a quick way to preview what is inside your parquet file, the live app is embedded below.

⬡ Parquet File Viewer
↗ Open app ⌥ GitHub

If you work with data and want a quick way to preview the contents of a .parquet file, give it a try. The code is on GitHub — issues and PRs welcome.

Citation

BibTeX citation:
@online{bhandari2026,
  author = {Bhandari, Pukar},
  title = {Building a {Client-Side} {Geo/Parquet} {File} {Viewer}},
  date = {2026-04-12},
  url = {https://ar-puuk.github.io/posts/parquet-explorer/},
  langid = {en}
}
For attribution, please cite this work as:
Bhandari, Pukar. 2026. “Building a Client-Side Geo/Parquet File Viewer.” April 12. https://ar-puuk.github.io/posts/parquet-explorer/.