The Inverted Interrobang symbol (βΈ). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Punctuation.
The quickest way is to copy βΈ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
βΈ is U+2E18 (decimal 11800).
Use ⸘ in HTML to render βΈ on a web page.
On Windows you can type it with Alt+11800 (hold Alt and enter the number on the numeric keypad).
Yes β copying is completely free and unlimited, and works right in your browser with no sign-up.