OpenExcelLite is a lightweight, dependency-free Excel (XLSX) generation library built on the official Open XML SDK. It focuses on speed, schema correctness, streaming large datasets, and clean, easy-to-use APIs — without the heavy overhead of ClosedXML, EPPlus, or NPOI.
lightweight streaming csharp dotnet excel xlsx spreadsheet openxml memory-efficient data-export excel-export autofit openxml-sdk excel-generator table-styles large-datasets
-
Updated
Nov 23, 2025 - C#