Guides

Tutorials for browser-local data inspection — no Python install, no server upload.

• View a Parquet File Schema

  Aug 19, 2026

  See column names and types in a .parquet file without Python, pandas, or uploading the file to a converter.

• Run SQL on a Parquet File

  Aug 19, 2026

  Run DuckDB SQL on a local .parquet file in the browser—when that is enough, and when a warehouse or CLI is the better tool.

• How to Read a Parquet File

  Jul 26, 2026

  Learn how to open and inspect a .parquet file with a browser tool, pandas, DuckDB, or a desktop viewer—and which local method fits your situation.

• Open a Large CSV File Online

  Jul 2, 2026

  Open a million-row CSV in the browser without freezing the tab—preview limits, SQL filters, and when a warehouse is the better tool.

• Open Parquet Without Python

  Jul 1, 2026

  Open and inspect a .parquet file without installing Python, pandas, or a local data stack—and when you should use Python anyway.

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