Convert Excel XLSX, XLS, CSV and ODS files to PDF, CSV, JSON, PNG, SVG or HTML with the Aspose.Cells Cloud REST API — whole workbook, worksheet, Range, table or chart, with runnable cURL, .NET, Python and Java examples....JSON / HTML A specific cell range (e.g. A1:C12 ) → PDF / image...Single range GET /v4.0/cells/{name}/worksheets/{ws}/ranges/{range}...