Parquet Power Tools - Writer

Transform your Excel data into industry-standard Apache Parquet files with intelligent schema detection and unlimited row support.

Key Features:

- 📊 Smart Data Analysis**: Automatic data range detection with user selection support

- 🎯 Intelligent Type Detection**: Auto-detects STRING, INT32, DOUBLE, BOOLEAN, DATE, DATETIME

- 📅 Smart Date Handling**: Excel round-trip (INT32) or Unix timestamp (INT64) modes

- 📋 Schema Preview**: Visual schema review with detailed statistics

- ✏️ Column Editing** ⭐ **[Premium]**: Edit column names and fix data types

- 👁️ Column Preview**: View comprehensive column statistics

- ⚡ Unlimited Rows**: Chunked processing for 1M+ rows (Premium)

- 📦 Compression**: GZIP, Snappy, Brotli support

- 🎯 User Selection**: Auto-detect respects your Excel selection

Perfect For:

✓ Data Analysts working with big data platforms

✓ Business Intelligence professionals

✓ Data Scientists analyzing Parquet datasets

✓ Financial analysts processing large datasets

✓ Research teams handling scientific data

✓ Marketing teams analyzing campaign data

Technical Highlights:

Supports Excel 2016+, Excel Online, and Microsoft 365

Chunked loading prevents memory issues on large datasets

Sample-based analysis for instant schema detection

Round-trip compatible with Excel workflows

Premium Features:

Unlimited row exports (1M+ rows)

Advanced schema editing capabilities

All compression algorithms (Snappy, Brotli)

Priority email support

PRIVACY & SECURITY:

Your data security is our priority. All file processing happens locally in your browser - we never upload or store your Parquet files on our servers. Authentication is handled through industry-standard Auth0.

SUPPORT & RESOURCES:

- Comprehensive documentation at parquetpowertools.com

- Email support: support@parquetpowertools.com

- Regular updates with new features

- Video tutorials and guides

SYSTEM REQUIREMENTS:

- Microsoft Excel 2016 or later (Windows/Mac)

- Excel Online (web version)

- Modern web browser (Chrome, Edge, Safari, Firefox)

- Internet connection for authentication

Join thousands of data professionals who trust Parquet Data Writer for their daily data analysis workflows. Transform how you work with big data in Excel today!