Turn a spreadsheet into a Markdown table - here in this tab, with nothing uploaded.
Spreadsheets are where the sensitive numbers live - salaries, sales, customers. This reads yours in the tab, and the file never leaves your computer.
Yes. Copied cells arrive as tab-separated text, which is read straight into a table - no file needed.
You get the values the formulas produce, formatted as the sheet shows them.
The first one, until you pick another from the list.