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ASCII / Encoding Calculator

Convert text to URL encoding, HTML entities, code points, Base64, and hashes. Paste text and click Translate.

URL encoded
URL decoded
HTML number code
first character
HTML name code
first character
HTML description
first character
All HTML numeric entities
Code points (decimal)
Hex (UTF-8 bytes)
Base64 encode
Base64 decode
MD5 (legacy hash - not encryption)
do not use for passwords
SHA-256
AES-256 password
used as key material
AES-256 encrypt
OpenSSL AES-256-CBC, Base64(IV + ciphertext)
AES-256 decrypt
paste a payload from the encrypt box, plus the same password

ASCII chart (0-127)

0 / 0x00
.
NUL (null)
1 / 0x01
.
SOH (start of heading)
2 / 0x02
.
STX (start of text)
3 / 0x03
.
ETX (end of text)
4 / 0x04
.
EOT (end of transmission)
5 / 0x05
.
ENQ (enquiry)
6 / 0x06
.
ACK (acknowledge)
7 / 0x07
.
BEL (bell)
8 / 0x08
.
BS (backspace)
9 / 0x09
.
TAB (horizontal tab)
10 / 0x0A
.
LF (line feed)
11 / 0x0B
.
VT (vertical tab)
12 / 0x0C
.
FF (form feed)
13 / 0x0D
.
CR (carriage return)
14 / 0x0E
.
SO (shift out)
15 / 0x0F
.
SI (shift in)
16 / 0x10
.
DLE (data link escape)
17 / 0x11
.
DC1 (device control 1)
18 / 0x12
.
DC2 (device control 2)
19 / 0x13
.
DC3 (device control 3)
20 / 0x14
.
DC4 (device control 4)
21 / 0x15
.
NAK (negative acknowledge)
22 / 0x16
.
SYN (synchronous idle)
23 / 0x17
.
ETB (end of trans. block)
24 / 0x18
.
CAN (cancel)
25 / 0x19
.
EM (end of medium)
26 / 0x1A
.
SUB (substitute)
27 / 0x1B
.
ESC (escape)
28 / 0x1C
.
FS (file separator)
29 / 0x1D
.
GS (group separator)
30 / 0x1E
.
RS (record separator)
31 / 0x1F
.
US (unit separator)
32 / 0x20
space
33 / 0x21
!
!
34 / 0x22
"
"
35 / 0x23
#
#
36 / 0x24
$
$
37 / 0x25
%
%
38 / 0x26
&
&
39 / 0x27
'
'
40 / 0x28
(
(
41 / 0x29
)
)
42 / 0x2A
*
*
43 / 0x2B
+
+
44 / 0x2C
,
,
45 / 0x2D
-
-
46 / 0x2E
.
.
47 / 0x2F
/
/
48 / 0x30
0
0
49 / 0x31
1
1
50 / 0x32
2
2
51 / 0x33
3
3
52 / 0x34
4
4
53 / 0x35
5
5
54 / 0x36
6
6
55 / 0x37
7
7
56 / 0x38
8
8
57 / 0x39
9
9
58 / 0x3A
:
:
59 / 0x3B
;
;
60 / 0x3C
<
&lt;
61 / 0x3D
=
=
62 / 0x3E
>
&gt;
63 / 0x3F
?
?
64 / 0x40
@
@
65 / 0x41
A
A
66 / 0x42
B
B
67 / 0x43
C
C
68 / 0x44
D
D
69 / 0x45
E
E
70 / 0x46
F
F
71 / 0x47
G
G
72 / 0x48
H
H
73 / 0x49
I
I
74 / 0x4A
J
J
75 / 0x4B
K
K
76 / 0x4C
L
L
77 / 0x4D
M
M
78 / 0x4E
N
N
79 / 0x4F
O
O
80 / 0x50
P
P
81 / 0x51
Q
Q
82 / 0x52
R
R
83 / 0x53
S
S
84 / 0x54
T
T
85 / 0x55
U
U
86 / 0x56
V
V
87 / 0x57
W
W
88 / 0x58
X
X
89 / 0x59
Y
Y
90 / 0x5A
Z
Z
91 / 0x5B
[
[
92 / 0x5C
\
\
93 / 0x5D
]
]
94 / 0x5E
^
^
95 / 0x5F
_
_
96 / 0x60
`
`
97 / 0x61
a
a
98 / 0x62
b
b
99 / 0x63
c
c
100 / 0x64
d
d
101 / 0x65
e
e
102 / 0x66
f
f
103 / 0x67
g
g
104 / 0x68
h
h
105 / 0x69
i
i
106 / 0x6A
j
j
107 / 0x6B
k
k
108 / 0x6C
l
l
109 / 0x6D
m
m
110 / 0x6E
n
n
111 / 0x6F
o
o
112 / 0x70
p
p
113 / 0x71
q
q
114 / 0x72
r
r
115 / 0x73
s
s
116 / 0x74
t
t
117 / 0x75
u
u
118 / 0x76
v
v
119 / 0x77
w
w
120 / 0x78
x
x
121 / 0x79
y
y
122 / 0x7A
z
z
123 / 0x7B
{
{
124 / 0x7C
|
|
125 / 0x7D
}
}
126 / 0x7E
~
~
127 / 0x7F
.
DEL (delete)

Notes: WebDNA [encrypt seed=] is proprietary and cannot be reproduced. AES-256 here is a modern replacement and will not decrypt old WebDNA-encrypted strings. MD5 is shown only for compatibility - it is a hash, not encryption, and is not suitable for passwords.