# Parquack

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

Canonical page: [https://chrome-stats.com/d/parquack](https://chrome-stats.com/d/parquack)

## Overview

- **ID:** `parquack`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Bert
- **Category:** web-development
- **Daily users:** 9
- **Weekly downloads:** 2
- **Version:** 1.1.1
- **Last updated:** 2026-07-24
- **First published:** 2026-05-07
- **Size:** 7.84 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/parquack/)

## Description

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)
- Auto completion (including plugins)
- Result tabs

Your data never leaves your machine.

## Rankings

- #35,011 — Overall
- #125 — query

## Permissions and access

### Permissions

- `declarativeNetRequest`

### Host permissions

- `<all_urls>`
- `file:///*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/parquack)