Online Parquet Viewer

Inspect Parquet schema, row groups, and column statistics with Snappy, Gzip, and Zstd support. Runs 100% in your browser — no uploads.

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Quick Start

  1. 1
    Load your Parquet file

    Drag-and-drop a Parquet file or click to browse. Parsing stays on your device.

  2. 2
    Review schema and stats

    Inspect column types, row groups, and compression codecs in the sidebar.

  3. 3
    Preview and filter rows

    Use the interactive table to scan records, apply quick filters, and jump between row groups.

  4. 4
    Export insights if needed

    Copy rows, download subsets, or open a related converter without uploading anything.

Specs

Max file size
~500 MB
Input
.parquet
Compression
Snappy, Gzip, Zstd
Engine
DuckDB WASM

Data stays on your device

All processing runs locally in your browser. Nothing is sent to any server.

Our Parquet file viewer uses WebAssembly to read and display your Parquet files directly in the browser. Explore the efficient columnar storage format — inspect column chunks, row groups, and metadata — all without installing software or uploading data. Works with Snappy, Gzip, Zstd, and LZ4 compression codecs.

~500 MB

Max file size

0 bytes

Data transmitted

4 supported

Compression codecs

100% Free

Our online Parquet viewer is completely free to use, with no hidden costs or subscriptions.

Privacy-Focused

Your data never leaves your device. All processing happens locally in your browser.

Fast and Efficient

Quickly load and view even large Parquet files with our optimized WebAssembly viewer.

No Installation Required

Use our Parquet file viewer directly in your web browser, no software installation needed.

Is this Parquet viewer private?

Absolutely. The viewer runs entirely in your browser with WebAssembly, so your Parquet files never leave your machine.

What is the maximum Parquet file size?

You can open files up to roughly 500 MB comfortably in most modern browsers. Larger datasets may load more slowly depending on available memory.

Can I use the viewer offline?

Yes. Once the page finishes loading, you can disconnect from the internet and continue exploring Parquet files offline.

How do I inspect my Parquet file?

Drop a file into the viewer, browse the schema and row groups, and drill into any column statistics — all without a server.

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