Name: FileScope
Author: lyh

Question 1

How do I view a Parquet file online?

Accepted Answer

Simply drag and drop your .parquet file onto FileScope at filescope.app. It instantly shows column statistics, data distributions, correlations, and a data preview — all processed locally in your browser using DuckDB WASM.

Question 2

Is my data safe when using FileScope?

Accepted Answer

Yes, 100%. FileScope runs entirely in your browser. Your files are never uploaded to any server. All processing happens locally using WebAssembly.

Question 3

What file formats does FileScope support?

Accepted Answer

FileScope supports Apache Parquet (.parquet), Arrow IPC (.arrow), Feather (.feather), and Lance (.lance) files. These are popular columnar storage formats used in data engineering and machine learning.

⚡ FileScope — Instant Data Profiling

Drop your .parquet, .arrow, .feather, or .lance file here

Column Types

Missing Values

🌳 File Layout

Row Groups

Column Layout

Compression

Encoding

💡 Optimization Recommendations

Pearson Correlation Matrix

First 100 Rows