XLSGen, a component of Microsoft Excel, can read, write, calculate, render, and print any Excel spreadsheet.

Xlsgen allows you to read, write, calculate and display Excel spreadsheets without Excel. XLSGen beats Excel in speed by orders-of-magnitude. It can work in almost any programming environment, including C/C++ and Java, C#/VB.NETs, Python, Delphi, Rust, and many others, thanks to its COM-based programming interface. XLSGen can generate Excel files for Excel 97-2000, XP, 2007, 2010, 2013, and 2016. XLSGen can also export your spreadsheets as PDF or ODF.

XLSGen allows you to view, edit, calculate, display and print Excel spreadsheets using Excel. It can be used in almost any programming environment, including C/C+ and VB, Java, C#/VB.NET, and Delphi. This program can generate files for all versions of Excel and export your reports in PDF, ODF, and HTML.