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Preview of Parquack

Parquack by Bert

View and query Parquet files in your browser — powered by DuckDB-WASM.

Available on Firefox for Android™Available on Firefox for Android™
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Extension Metadata

About this extension
Parquack lets you open and explore Parquet, JSON, and CSV files without uploading them to any server.
Everything runs locally in your browser using DuckDB-WASM.

Features:
- Browse tabular data with pagination
- Run arbitrary SQL queries against your file
- View Parquet schema, row groups, and key-value metadata
- Load files from disk or by URL
- Export query results as CSV, JSON, or Parquet
- Query history
- Configurable DuckDB startup SQL (rc)

Your data never leaves your machine.
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Permissions and data

Required permissions:

  • Block content on any page

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
1.0.0
Size
7.84 MB
Last updated
5 days ago (May 7, 2026)
Related Categories
  • Web Development
License
MIT License
Version History
  • See all versions
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