Welcome to the modern-xlsx wiki — comprehensive knowledge base for the library.

Current version: v1.0.0

• Getting Started — Installation, setup, and your first spreadsheet
• Browser & CDN — Use directly in browsers via jsDelivr or unpkg
• API Reference — Complete API documentation
• Styling Guide — Fonts, fills, borders, alignment, number formats
• Examples — Common patterns and recipes
• Feature Comparison — modern-xlsx vs SheetJS (250 features compared)
• Performance — Benchmarks, optimization tips, and architecture
• Encryption Guide — Read and write encrypted XLSX files
• FAQ — Common questions and troubleshooting

• Migration from SheetJS — Side-by-side API comparison
• Migration from ExcelJS — ExcelJS → modern-xlsx patterns

• Architecture — Rust WASM + TypeScript hybrid design
• Changelog — Release history

• GitHub Repository
• npm Package
• Documentation Site
• Interactive Playground
• Issue Tracker

First stable release — API frozen, production-ready.

• Charts — 10 chart types with fluent ChartBuilder API
• Formula Engine — 54 built-in Excel functions, tokenizer, parser, evaluator
• Encryption — Read/write password-protected files (ECMA-376 Standard & Agile)
• Pivot Tables — Full read/write with PivotTableBuilder API
• Threaded Comments — Modern Excel comment threads with reply support
• Slicers & Timelines — Interactive filtering controls (read/write)
• Streaming Writer — 100K+ row output with O(unique strings) memory
• Rich Text — RichTextBuilder for inline cell formatting
• CLI Tool — modern-xlsx info and modern-xlsx convert
• 1,711 tests (424 Rust + 1,287 TypeScript), clippy clean, typecheck clean
• Full Changelog