Tools for working with Parquet files
Convert, inspect, and transform Apache Parquet files right in your browser. Every tool runs 100% client-side — your data never leaves your machine. No upload, no signup, no account.
- Free forever
- 100% client-side
- No upload
- Works with compressed Parquet
Converters
Move data between Parquet and other tabular formats. Each tool honors filters and sort order if you apply them — the export matches exactly what you see in the preview.
Excel-friendly export with UTF-8 BOM and RFC 4180 quoting.
Pretty JSON array or NDJSON for streaming and APIs.
Native .xlsx with proper types and multiple sheets.
Generate CREATE TABLE + INSERT statements from a .parquet file.
Tab-separated values — cleaner than CSV when fields contain commas.
Compress CSV 5–10× by converting to columnar Parquet.
Convert JSON arrays or NDJSON to typed, compressed Parquet.
Coming soon
More tools on the way. Have a request? Tell us.
Inspect column types, nesting, and statistics — without scanning data.
Row groups, codec, footer offsets, min/max stats per chunk.
Random N rows or first/last N rows — for quick previews of huge files.
Compare two .parquet files row-by-row or by column statistics.
Concatenate multiple .parquet files into one.
Paste a HuggingFace dataset URL and inspect its Parquet shards.