Convert Excel Files with one Go function. converter.Convert(source, saveOption, sink) turns xlsx into PDF, CSV, HTML, Markdown and 32 total Formats — from a concise File-to-File one-liner to fully flexible memory, stream and batch environments....one call for one format 1.1 A built-in file→file one-liner: ConvertSpreadsheetTo...with defaults 1.3 The two file→file shapes compared 2. The simplest...