Windows
Hold Alt and type 7698 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All D accentsHold Alt and type 7698 on the numeric keypad.
Option + I, then D
Ctrl + Shift + 6, then d — or type 1E12 then Alt + X
Insert → Special characters → D circumflex below
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 7698, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+1E12ḒḒ\1E12\u{1E12}Alt + 7698