The developer tools you reach for every day, all in one place.

Converters, formatters, hashes, validators, and the small utilities you keep reopening stay together instead of getting lost across tabs.

GitHub

/ Tools

■

/ Tool Finder

109 tools

/ ASCII Table Reference

Filter by Range (Decimal)

Showing 64 of 128 characters

Dec	Hex	Oct	Binary	Char	Description
0	0x00	000	00000000	NUL	NUL (Null)
1	0x01	001	00000001	SOH	SOH (Start of Heading)
2	0x02	002	00000010	STX	STX (Start of Text)
3	0x03	003	00000011	ETX	ETX (End of Text)
4	0x04	004	00000100	EOT	EOT (End of Transmission)
5	0x05	005	00000101	ENQ	ENQ (Enquiry)
6	0x06	006	00000110	ACK	ACK (Acknowledge)
7	0x07	007	00000111	BEL	BEL (Bell)
8	0x08	010	00001000	BS	BS (Backspace)
9	0x09	011	00001001	HT	HT (Horizontal Tab)
10	0x0A	012	00001010	LF	LF (Line Feed)
11	0x0B	013	00001011	VT	VT (Vertical Tab)
12	0x0C	014	00001100	FF	FF (Form Feed)
13	0x0D	015	00001101	CR	CR (Carriage Return)
14	0x0E	016	00001110	SO	SO (Shift Out)
15	0x0F	017	00001111	SI	SI (Shift In)
16	0x10	020	00010000	DLE	DLE (Data Link Escape)
17	0x11	021	00010001	DC1	DC1 (Device Control 1)
18	0x12	022	00010010	DC2	DC2 (Device Control 2)
19	0x13	023	00010011	DC3	DC3 (Device Control 3)
20	0x14	024	00010100	DC4	DC4 (Device Control 4)
21	0x15	025	00010101	NAK	NAK (Negative Acknowledge)
22	0x16	026	00010110	SYN	SYN (Synchronous Idle)
23	0x17	027	00010111	ETB	ETB (End of Trans. Block)
24	0x18	030	00011000	CAN	CAN (Cancel)
25	0x19	031	00011001	EM	EM (End of Medium)
26	0x1A	032	00011010	SUB	SUB (Substitute)
27	0x1B	033	00011011	ESC	ESC (Escape)
28	0x1C	034	00011100	FS	FS (File Separator)
29	0x1D	035	00011101	GS	GS (Group Separator)
30	0x1E	036	00011110	RS	RS (Record Separator)
31	0x1F	037	00011111	US	US (Unit Separator)
32	0x20	040	00100000	␣	Space
33	0x21	041	00100001	!	Character '!'
34	0x22	042	00100010	"	Character '"'
35	0x23	043	00100011	#	Character '#'
36	0x24	044	00100100	$	Character '$'
37	0x25	045	00100101	%	Character '%'
38	0x26	046	00100110	&	Character '&'
39	0x27	047	00100111	'	Character '''
40	0x28	050	00101000	(	Character '('
41	0x29	051	00101001	)	Character ')'
42	0x2A	052	00101010	*	Character '*'
43	0x2B	053	00101011	+	Character '+'
44	0x2C	054	00101100	,	Character ','
45	0x2D	055	00101101	-	Character '-'
46	0x2E	056	00101110	.	Character '.'
47	0x2F	057	00101111	/	Character '/'
48	0x30	060	00110000	0	Character '0'
49	0x31	061	00110001	1	Character '1'
50	0x32	062	00110010	2	Character '2'
51	0x33	063	00110011	3	Character '3'
52	0x34	064	00110100	4	Character '4'
53	0x35	065	00110101	5	Character '5'
54	0x36	066	00110110	6	Character '6'
55	0x37	067	00110111	7	Character '7'
56	0x38	070	00111000	8	Character '8'
57	0x39	071	00111001	9	Character '9'
58	0x3A	072	00111010	:	Character ':'
59	0x3B	073	00111011	;	Character ';'
60	0x3C	074	00111100	<	Character '<'
61	0x3D	075	00111101	=	Character '='
62	0x3E	076	00111110	>	Character '>'
63	0x3F	077	00111111	?	Character '?'

/ Selected Tool

ASCII Table Reference

Searchable ASCII character table with decimal, hex, and binary values

■ 01

What is ASCII?

ASCII (American Standard Code for Information Interchange) is a character encoding standard for electronic communication. It assigns numerical values to letters, digits, punctuation marks, and control characters. Standa…

■ 02

How does it work?

Character Categories Control Characters (0-31, 127): Non-printable characters used for text formatting and device control Printable Characters (32-126): Letters, digits, punctuation, and space Common Ranges 48-57: Digit…

■ 03

Sample Cases

Covers Letter 'A', Digit '0', and Newline (LF) so you can compare common inputs and outputs quickly.

/ Code

■

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// No external dependencies needed - pure JavaScript/TypeScript

interface AsciiChar {
  decimal: number;
  hex: string;
  octal: string;
  binary: string;
  char: string;
}