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....WithImageType ( "png" )) // or "jpg" / "svg" / "gif" / "tif" / … Tip: for...choosing exactly which sheets are rendered, and other deep controls still...