I built a free tool that turns AI-generated Markdown tables into Excel

Tables from ChatGPT, Claude or Gemini are written in Markdown. Paste one into Excel and every row ends up in column A, pipes and all. So I built a free online tool that converts Markdown tables straight into Excel:

An.xlsx file is a zip archive with a few XML parts. Instead of SheetJS, the tool uses a small hand-written XLSX writer and zips the parts with fflate, with no new dependencies: