CopyTables от Nirantak Raghav

Select table cells, rows and columns with your mouse or from a context menu. Copy as rich text, HTML, tab-delimited and CSV.
- Hold Opt (macOS) or Alt (Windows) and drag to select cells.
- Hold Opt+Cmd (macOS) or Alt+Ctrl (Windows) and drag to select columns.
- Copy selection (or the whole table) as seen on the screen (for rich text editors)
- Copy as CSV or TSV (for Spreadsheets).
- Copy as HTML (for your website).
- Everything is configurable.