As character names:

U+FEFF ZERO WIDTH NO-BREAK SPACE character ()

As raw characters:



As a string of HTML entities:



Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 3, expecting 0 more.

U+FEFF	ZERO WIDTH NO-BREAK SPACE
	% BYTE ORDER MARK
	= BOM, ZWNBSP
	* may be used to detect byte order by contrast with the noncharacter code point FFFE
	* use as an indication of non-breaking is deprecated; see 2060 instead
	x (zero width space - 200B)
	x (word joiner - 2060)
	x (<not a character> - FFFE)