Online Parquet Viewer (Schema • Row Groups • Stats)
Inspect Parquet schema, row groups, and column statistics with Snappy, Gzip, and Zstd support. Runs 100% in your browser — no uploads.
How to open a Parquet file in your browser
- 1
Load your Parquet file
Drag-and-drop a Parquet file or click to browse. Parsing stays on your device.
- 2
Review schema and stats
Inspect column types, row groups, and compression codecs in the sidebar.
- 3
Preview and filter rows
Use the interactive table to scan records, apply quick filters, and jump between row groups.
- 4
Export insights if needed
Copy rows, download subsets, or open a related converter without uploading anything.
Why Choose Our Parquet Viewer Online?
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 viewer.
No Installation Required
Use our Parquet file viewer directly in your web browser, no software installation needed.
How Our Online Parquet Viewer Works
Our tool uses WebAssembly to read and display your Parquet files directly in the browser. This cutting-edge technology ensures:
Lightning-fast performance, even with large files
Complete data privacy and security
Compatibility across all modern web browsers
Understanding Parquet File Structure
Our Parquet file viewer helps you explore the efficient columnar storage format of Parquet files:
Column Chunks
Efficiently compressed and encoded data storage
Row Groups
Optimized for quick access to specific data rows
Metadata
Comprehensive file information for easy processing
Parquet Viewer FAQ
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.