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DuckDB-Wasm

Convert Parquet to Excel Online (.parquet to .xlsx) - DuckDB-Wasm

Convert Apache Parquet columnar datasets into Microsoft Excel spreadsheets directly in your browser with zero server uploads.

Parquet.parquet
Excel.xlsx

Drop your Parquet file here or browse

Drag and drop from your computer, browse, or pasteCtrl / ⌘ + V

Accepted:.parquet
Processed locally in browser - never uploaded to any server
Max 10MB for free in-browser conversion
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Step-by-Step Guide

How to Convert Parquet to Excel Online in 3 Simple Steps

Convert your data effortlessly with zero installations and complete local privacy.

  1. 1Step 1:

    Upload Apache Parquet File

    Select or drop your .parquet dataset into the in-browser converter.

  2. 2Step 2:

    Instant Columnar Preview

    DuckDB-Wasm reads the columnar metadata and displays a live 10-row preview with detected data types.

  3. 3Step 3:

    Download Excel Spreadsheet

    Click 'Convert & Download' to save an organized .xlsx workbook with preserved headers and numbers.

Help & Documentation

Frequently Asked Questions About PARQUET to EXCEL Conversion

Everything you need to know about formats, privacy, and browser-based file conversion.

How can Parquet be converted without a Python server?

We run DuckDB compiled directly into WebAssembly inside your browser. DuckDB reads and deserializes the Parquet binary format locally in browser memory.

Are Snappy and ZSTD compressed Parquet files supported?

Yes! DuckDB-Wasm includes full support for Snappy, GZIP, and ZSTD compressed Parquet files generated by Databricks, Snowflake, Polars, and PyArrow.

Is my enterprise analytical data private?

100% private. Your .parquet file never touches our servers or third-party APIs. All processing runs in a secure client-side Web Worker.

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