Create Parquet Files Online

Define your schema, enter data or paste from a spreadsheet, and download as a Parquet file. Everything runs in your browser — no data is uploaded.

Convert to Parquet Create Parquet Edit Parquet Schema Diff File Diff

How It Works

1

Define Schema

Add columns with names and data types (VARCHAR, INTEGER, FLOAT, DATE, etc.)

2

Enter Data

Type values directly or paste from Excel/Google Sheets (tab-separated).

3

Download

Choose compression (Snappy, Zstd, Gzip) and download your .parquet file.

Supported Data Types

  • VARCHAR — Text/string values
  • INTEGER — Whole numbers (32-bit)
  • BIGINT — Large whole numbers (64-bit)
  • FLOAT / DOUBLE — Decimal numbers
  • BOOLEAN — true/false values
  • DATE — Calendar dates (YYYY-MM-DD)
  • TIMESTAMP — Date and time values