Code point
U+AFFD
Glyph appearance depends on your fonts.
U+AFFD
LoU+AFFD HANGUL SYLLABLE GGWELT is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Hangul Syllables block.
Choose the representation you need, then copy its value.
U+AFFD
45053
꿽
꿽
EA BF BD
AFFD
0000AFFD
%EA%BF%BD
\uAFFD
\uAFFD
\uAFFD
\AFFD