Aspose.Cells for Node.js via Java supports the popular Excel (XLS, XLSX, XLSM, XLSB, XLTX, XLTM,SpreadsheetML,CSV), OpenOffice(ODS),Html and JSON file formats and allows exporting Excel files to PDF,DOCX, PPTX, JSON, XPS, Html, MHtml, Plain Text and popular image formats including TIFF, JPG, PNG, BMP and SVG....SpreadsheetML, CSV, Tab Delimited, HTML/MHTML, PDF, XPS and other formats...you can generate, modify, convert and render Excel documents...