Very timely, thanks! Was just yesterday working on chaining together `xlsx` and `tablemark` to accomplish this. I found `uvx markitdown my-excel.XLSX | sed 's/

Very timely, thanks! Was just yesterday working on chaining together `xlsx` and `tablemark` to accomplish this. I found `uvx markitdown my-excel.XLSX | sed 's/ NaN/ /g' my-markdown.md` to be just what I needed to get my spreadsheet into a reasonably-legible markdown table when rendered by GitLab.