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Text to ASCII Code Converter

Convert text to ASCII and Unicode codes, or decode codes back to text. Works with special characters.

Text to Code

Code to Text

Enter codes separated by spaces or commas (e.g., 72 101 108 108 111)

Quick ASCII Reference

Space: 32

A-Z: 65-90

a-z: 97-122

0-9: 48-57

Enter: 10

Tab: 9

About Text to ASCII Code Converter

Free text to ASCII and Unicode code converter that converts any text to ASCII/Unicode numeric codes and vice versa. Paste or type your text to see each character's decimal, hexadecimal, and octal code values. Works with standard ASCII characters (0-127), extended ASCII (128-255), and full Unicode (0-1,114,111). Perfect for programmers debugging character encoding, web developers working with character codes, educators teaching computer science, and anyone needing to understand or verify character encodings. Copy individual character codes or the entire conversion result. All processing happens locally in your browser with no data transmitted to any server.

Printable ASCII Table (32–126)

The table below shows all 95 printable ASCII characters with their decimal, hexadecimal, and octal values. These are the characters you encounter most often in programming, web development, and data processing.

Char	Dec	Hex	Oct	Char	Dec	Hex	Oct
Space	32	20	40	P	80	50	120
!	33	21	41	Q	81	51	121
"	34	22	42	R	82	52	122
#	35	23	43	S	83	53	123
$	36	24	44	T	84	54	124
%	37	25	45	U	85	55	125
&	38	26	46	V	86	56	126
'	39	27	47	W	87	57	127
(	40	28	50	X	88	58	130
)	41	29	51	Y	89	59	131
*	42	2A	52	Z	90	5A	132
+	43	2B	53	[	91	5B	133
,	44	2C	54	\	92	5C	134
-	45	2D	55	]	93	5D	135
.	46	2E	56	^	94	5E	136
/	47	2F	57	_	95	5F	137
0	48	30	60	`	96	60	140
1	49	31	61	a	97	61	141
2	50	32	62	b	98	62	142
3	51	33	63	c	99	63	143
4	52	34	64	d	100	64	144
5	53	35	65	e	101	65	145
6	54	36	66	f	102	66	146
7	55	37	67	g	103	67	147
8	56	38	70	h	104	68	150
9	57	39	71	i	105	69	151
:	58	3A	72	j	106	6A	152
;	59	3B	73	k	107	6B	153
<	60	3C	74	l	108	6C	154
=	61	3D	75	m	109	6D	155
>	62	3E	76	n	110	6E	156
?	63	3F	77	o	111	6F	157
@	64	40	100	p	112	70	160
A	65	41	101	q	113	71	161
B	66	42	102	r	114	72	162
C	67	43	103	s	115	73	163
D	68	44	104	t	116	74	164
E	69	45	105	u	117	75	165
F	70	46	106	v	118	76	166
G	71	47	107	w	119	77	167
H	72	48	110	x	120	78	170
I	73	49	111	y	121	79	171
J	74	4A	112	z	122	7A	172
K	75	4B	113	{	123	7B	173
L	76	4C	114	\|	124	7C	174
M	77	4D	115	}	125	7D	175
N	78	4E	116	~	126	7E	176
O	79	4F	117

Common ASCII Code References

Uppercase Letters

A–Z occupy codes 65–90. To convert uppercase to lowercase, add 32 to the ASCII value. For example, A (65) becomes a (97).

Lowercase Letters

a–z occupy codes 97–122. Subtract 32 from any lowercase letter to get its uppercase equivalent. This 32-offset is one of the most well-known ASCII tricks.

Digits 0–9

The digit characters 0–9 have codes 48–57. To convert a digit character to its numeric value, subtract 48. This works in virtually every programming language.

Control Characters

Codes 0–31 and 127 are non-printable control characters. The most common are: newline (10), carriage return (13), tab (9), null (0), and escape (27).

ASCII vs Unicode: Key Differences

Feature	ASCII	Unicode (UTF-8)
Character count	128 (7-bit) or 256 (extended)	Over 1.1 million code points
Languages	English only	All world languages, emoji, symbols
Bytes per character	1 byte (fixed)	1–4 bytes (variable)
Backward compatible	—	Yes, first 128 codes identical to ASCII
Common use	Legacy systems, simple text	Web (HTML, JSON, APIs), modern apps

Frequently Asked Questions

What is ASCII and how does it work?

ASCII (American Standard Code for Information Exchange) is a character encoding standard that represents text characters using numeric codes. Each character is assigned a unique decimal value from 0 to 127 for standard ASCII. For example, the letter 'A' is 65, space is 32, and newline is 10. Extended ASCII includes values 128-255 for additional characters like accented letters and symbols.

What is the difference between ASCII and Unicode?

ASCII is limited to 128 characters (or 256 with extended ASCII) and primarily covers English letters, digits, and basic symbols. Unicode is a much larger standard supporting over 1.1 million characters, including letters from all world languages, emoji, mathematical symbols, and more. Unicode is backward compatible with ASCII — ASCII characters have the same Unicode code points (0-127).

How do I find the ASCII code for a specific character?

Simply type the character into the text field and the tool displays its ASCII decimal code, hex value, and octal representation. For example, typing 'A' shows decimal 65, hex 41, and octal 101. The tool shows codes for every character including spaces, punctuation, and special characters.

Can I convert from ASCII codes back to text?

Yes. Enter ASCII codes (decimal, hex, or octal values separated by spaces or commas) in the decode field, and the tool converts them back to readable text. For example, entering '72 101 108 108 111' produces 'Hello'.

What characters are included in ASCII?

Standard ASCII (0-127) includes uppercase letters (A-Z, 65-90), lowercase letters (a-z, 97-122), digits (0-9, 48-57), punctuation marks, whitespace characters (space 32, tab 9, newline 10), and control characters (0-31, mostly non-printable). Extended ASCII (128-255) includes accented characters (é, ñ, ü), box drawing characters, and mathematical symbols.

What are hex and octal representations?

Hexadecimal (base-16) represents numbers using 0-9 and A-F. Octal (base-8) uses 0-7. These are alternative ways to represent the same numeric value. For example, decimal 65 ('A') is hex 41 and octal 101. Programmers often use hex for character codes since 8-bit values fit neatly into 2 hex digits (00-FF).

Why would I need to convert text to ASCII codes?

Developers use ASCII code conversion for character encoding validation, debugging encoding issues, creating obfuscated text, analyzing data formats, teaching computer science, working with legacy systems that use character codes, and verifying that specific characters are correctly processed. It is essential for low-level programming and understanding how computers represent text.

Is this text to ASCII converter free?

Yes, completely free with no signup required. Convert text to ASCII/Unicode codes in decimal, hex, and octal formats, or decode codes back to text. All processing happens in your browser — your data is never sent to any server.

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About Text to ASCII Code Converter

Printable ASCII Table (32–126)

Char	Dec	Hex	Oct	Char	Dec	Hex	Oct
Space	32	20	40	P	80	50	120
!	33	21	41	Q	81	51	121
"	34	22	42	R	82	52	122
#	35	23	43	S	83	53	123
$	36	24	44	T	84	54	124
%	37	25	45	U	85	55	125
&	38	26	46	V	86	56	126
'	39	27	47	W	87	57	127
(	40	28	50	X	88	58	130
)	41	29	51	Y	89	59	131
*	42	2A	52	Z	90	5A	132
+	43	2B	53	[	91	5B	133
,	44	2C	54	\	92	5C	134
-	45	2D	55	]	93	5D	135
.	46	2E	56	^	94	5E	136
/	47	2F	57	_	95	5F	137
0	48	30	60	`	96	60	140
1	49	31	61	a	97	61	141
2	50	32	62	b	98	62	142
3	51	33	63	c	99	63	143
4	52	34	64	d	100	64	144
5	53	35	65	e	101	65	145
6	54	36	66	f	102	66	146
7	55	37	67	g	103	67	147
8	56	38	70	h	104	68	150
9	57	39	71	i	105	69	151
:	58	3A	72	j	106	6A	152
;	59	3B	73	k	107	6B	153
<	60	3C	74	l	108	6C	154
=	61	3D	75	m	109	6D	155
>	62	3E	76	n	110	6E	156
?	63	3F	77	o	111	6F	157
@	64	40	100	p	112	70	160
A	65	41	101	q	113	71	161
B	66	42	102	r	114	72	162
C	67	43	103	s	115	73	163
D	68	44	104	t	116	74	164
E	69	45	105	u	117	75	165
F	70	46	106	v	118	76	166
G	71	47	107	w	119	77	167
H	72	48	110	x	120	78	170
I	73	49	111	y	121	79	171
J	74	4A	112	z	122	7A	172
K	75	4B	113	{	123	7B	173
L	76	4C	114	\|	124	7C	174
M	77	4D	115	}	125	7D	175
N	78	4E	116	~	126	7E	176
O	79	4F	117

Common ASCII Code References

Uppercase Letters

A–Z occupy codes 65–90. To convert uppercase to lowercase, add 32 to the ASCII value. For example, A (65) becomes a (97).

Lowercase Letters

a–z occupy codes 97–122. Subtract 32 from any lowercase letter to get its uppercase equivalent. This 32-offset is one of the most well-known ASCII tricks.

Digits 0–9

The digit characters 0–9 have codes 48–57. To convert a digit character to its numeric value, subtract 48. This works in virtually every programming language.

Control Characters

Codes 0–31 and 127 are non-printable control characters. The most common are: newline (10), carriage return (13), tab (9), null (0), and escape (27).

ASCII vs Unicode: Key Differences

Feature	ASCII	Unicode (UTF-8)
Character count	128 (7-bit) or 256 (extended)	Over 1.1 million code points
Languages	English only	All world languages, emoji, symbols
Bytes per character	1 byte (fixed)	1–4 bytes (variable)
Backward compatible	—	Yes, first 128 codes identical to ASCII
Common use	Legacy systems, simple text	Web (HTML, JSON, APIs), modern apps

Frequently Asked Questions

What is ASCII and how does it work?

What is the difference between ASCII and Unicode?

How do I find the ASCII code for a specific character?

Can I convert from ASCII codes back to text?

What characters are included in ASCII?

What are hex and octal representations?

Why would I need to convert text to ASCII codes?

Is this text to ASCII converter free?

Text to Code

Code to Text

Quick ASCII Reference

About Text to ASCII Code Converter

Printable ASCII Table (32–126)

Common ASCII Code References

Uppercase Letters

Lowercase Letters

Digits 0–9

Control Characters

ASCII vs Unicode: Key Differences

Frequently Asked Questions

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Text to Code

Code to Text

Quick ASCII Reference

About Text to ASCII Code Converter

Printable ASCII Table (32–126)

Common ASCII Code References

Uppercase Letters

Lowercase Letters

Digits 0–9

Control Characters

ASCII vs Unicode: Key Differences

Frequently Asked Questions

Related Tools

JSON Formatter

Base64 Encoder/Decoder

Regex Tester

URL Encoder/Decoder

UUID Generator

Hash Generator (SHA-256)

Encoding text is easy. Answering every customer by hand is not.