excelifyjs

Create and convert .xlsx files with blazing-fast performance and minimal memory footprint

Get Started

API Reference

🚀 Blazing Fast

Built with Rust and N-API for native performance. Write millions of cells in seconds with optimized memory management.

📊 Multiple Data Types

Native support for strings, numbers, and booleans with automatic type conversion and Excel-compatible formatting.

💾 Low Memory Footprint

Efficient streaming architecture allows processing large datasets without loading everything into memory at once.

🔧 Simple API

Clean, intuitive API that's easy to learn and use. Create complex spreadsheets with just a few lines of code.

🌍 Cross-Platform

Pre-built binaries for Windows, macOS, and Linux (x64 and ARM64). Works seamlessly on all major platforms.

📦 Zero Dependencies

No external runtime dependencies. Pure native module with minimal overhead and maximum portability.

⚠️ EARLY DEVELOPMENT WARNING

This project is in a very early phase and is not stable. The API may have breaking changes at any time. It is not recommended for production use. Use at your own risk.