or click to browse
Drag and drop any Apache Parquet file onto the page, or click to browse. Your file stays in your browser — nothing is uploaded.
See column names, data types, and compression codecs at a glance. Browse the data grid with sorting and filtering. Drill into row group statistics.
Download your data as CSV, JSON, Parquet, or Excel. Convert Parquet to any format with one click.
Your files never leave your browser. All processing happens locally using WebAssembly — no uploads, no servers, no tracking.
Powered by DuckDB, the same engine used by data teams worldwide. Sort, filter, and search millions of rows in milliseconds.
Handle files with millions of rows. Virtual scrolling keeps the interface smooth regardless of dataset size.
No sign-up, no credit card, no hidden limits. Use these tools as much as you need, completely free.
Apache Parquet is the standard columnar format for big data, but viewing Parquet files typically requires Python, Spark, or specialized tools. This free Parquet viewer lets you inspect any Parquet file directly in your browser. Data engineers use it to verify pipeline output. Analysts use it to preview datasets before loading into a notebook. Anyone working with cloud data warehouses (Snowflake, BigQuery, Redshift) uses it to inspect exported Parquet files without writing code.
Yes, completely free with no limits. No sign-up or credit card required.
No. This tool runs entirely in your browser using WebAssembly. No Python, Java, Spark, or any other software needed.
Your data never leaves your browser. All processing happens locally using WebAssembly. We never see, store, or transmit your files.
Yes. The schema panel shows column names, logical and physical types, and per-column compression codecs. You can also inspect row group statistics including row counts, compressed sizes, and per-column min/max values.
You can open Parquet files up to several hundred megabytes. Since Parquet is a compressed columnar format, this typically represents very large datasets.
Yes. Use the export feature to download your Parquet data as CSV, JSON, Excel, or Parquet. This is the easiest way to convert Parquet to CSV online.
All standard Parquet compression codecs are supported: Snappy, Gzip, Zstd, LZ4, and uncompressed.
This viewer is read-only. To edit Parquet data, use our free Parquet Editor — you can switch to it directly from the viewer without re-uploading your file.
Edit Parquet files in your browser. Modify values, delete rows, rename columns, and export to CSV, JSON, Excel, or Parquet.
View Excel files (.xlsx, .xls) instantly in your browser. Sort, filter, search across sheets. No upload required — your data never leaves your device.
View and explore CSV files instantly in your browser. Sort, filter, search millions of rows. No upload required — your data never leaves your device.
Convert Parquet files to CSV instantly in your browser. No upload, no Python, no install. Privacy-first — your data never leaves your device.