"HELLO WORLD" → binary — binary and text

exam standard11 bytes including the space

Answer

01001000 01000101 01001100 01001100 01001111 00100000 01010111 01001111 01010010 01001100 01000100

Why this example is worth doing

A full phrase, included because the realistic use of this tool is a whole message rather than one character, and because the space in the middle is the byte students forget to count. The page offers the output grouped by byte, unseparated, or as hex, and provides a copy button for each, since the usual next step is pasting the result somewhere else.

Try your own input in the Binary ⇄ text / ASCII. Convert text to binary and back, byte by byte, with the full UTF-8 breakdown.

How the answer is reached

ASCII encoding of 11 characters

ASCII: one byte per character, the high bit always zero.

ASCII encoding of 11 characters — columns character, code point, decimal, hex, binary, template
character	code point	decimal	hex	binary	template
H	U+0048	72	48	01001000	0xxxxxxx
E	U+0045	69	45	01000101	0xxxxxxx
L	U+004C	76	4C	01001100	0xxxxxxx
L	U+004C	76	4C	01001100	0xxxxxxx
O	U+004F	79	4F	01001111	0xxxxxxx
	U+0020	32	20	00100000	0xxxxxxx
W	U+0057	87	57	01010111	0xxxxxxx
O	U+004F	79	4F	01001111	0xxxxxxx
R	U+0052	82	52	01010010	0xxxxxxx
L	U+004C	76	4C	01001100	0xxxxxxx
D	U+0044	68	44	01000100	0xxxxxxx

Three different numbers; the UI must show all three — ASCII encoding of 11 characters
count	value
bytes	11
code points	11
UTF-16 code units	11

"HELLO WORLD" → binary — binary and text

Answer

Why this example is worth doing

How the answer is reached

ASCII encoding of 11 characters

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