Undefined Character (U+DFFFF)

Plane:unassigned, U+D0000 - U+DFFFF[1]
HTML Entity:
  • 
  • 
UTF-8 Encoding:0xF3 0x9F 0xBF 0xBF
UTF-16 Encoding:0xDB3F 0xDFFF
UTF-32 Encoding:0x000DFFFF

References