UnicodeDecoder

ISO-8859-5 (Cyrillic) vs KOI8-R

ISO-8859-5 (Cyrillic) vs KOI8-R

ISO-8859-5 (Cyrillic)

Legacy

ISO standard for Cyrillic script. Covers Russian, Bulgarian, Serbian, Macedonian, and other languages. Largely replaced by KOI8-R in Russia and by UTF-8 globally.

IANA Name
ISO-8859-5
Byte Width
1–1 bytes
Introduced
1988

KOI8-R

Legacy

Russian character encoding widely used in Unix systems and early internet. Designed so that stripping the high bit gives readable (if lowercase) ASCII. Still encountered in Russian email and Usenet archives.

IANA Name
KOI8-R
Byte Width
1–1 bytes
Introduced
1993
195
Shared characters
61
Only in ISO-8859-5 (Cyrillic)
61
Only in KOI8-R

Shared Characters (first 195 shown)

Char Codepoint Name ISO-8859-5 (Cyrillic) KOI8-R
U+0000 00 00
U+0001 01 01
U+0002 02 02
U+0003 03 03
U+0004 04 04
U+0005 05 05
U+0006 06 06
U+0007 07 07
U+0008 08 08
U+0009 09 09
U+000A 0A 0A
U+000B 0B 0B
U+000C 0C 0C
U+000D 0D 0D
U+000E 0E 0E
U+000F 0F 0F
U+0010 10 10
U+0011 11 11
U+0012 12 12
U+0013 13 13
U+0014 14 14
U+0015 15 15
U+0016 16 16
U+0017 17 17
U+0018 18 18
U+0019 19 19
U+001A 1A 1A
U+001B 1B 1B
U+001C 1C 1C
U+001D 1D 1D
U+001E 1E 1E
U+001F 1F 1F
U+0020 SPACE 20 20
! U+0021 EXCLAMATION MARK 21 21
" U+0022 QUOTATION MARK 22 22
# U+0023 NUMBER SIGN 23 23
$ U+0024 DOLLAR SIGN 24 24
% U+0025 PERCENT SIGN 25 25
& U+0026 AMPERSAND 26 26
' U+0027 APOSTROPHE 27 27
( U+0028 LEFT PARENTHESIS 28 28
) U+0029 RIGHT PARENTHESIS 29 29
* U+002A ASTERISK 2A 2A
+ U+002B PLUS SIGN 2B 2B
, U+002C COMMA 2C 2C
- U+002D HYPHEN-MINUS 2D 2D
. U+002E FULL STOP 2E 2E
/ U+002F SOLIDUS 2F 2F
0 U+0030 DIGIT ZERO 30 30
1 U+0031 DIGIT ONE 31 31
2 U+0032 DIGIT TWO 32 32
3 U+0033 DIGIT THREE 33 33
4 U+0034 DIGIT FOUR 34 34
5 U+0035 DIGIT FIVE 35 35
6 U+0036 DIGIT SIX 36 36
7 U+0037 DIGIT SEVEN 37 37
8 U+0038 DIGIT EIGHT 38 38
9 U+0039 DIGIT NINE 39 39
: U+003A COLON 3A 3A
; U+003B SEMICOLON 3B 3B
< U+003C LESS-THAN SIGN 3C 3C
= U+003D EQUALS SIGN 3D 3D
> U+003E GREATER-THAN SIGN 3E 3E
? U+003F QUESTION MARK 3F 3F
@ U+0040 COMMERCIAL AT 40 40
A U+0041 LATIN CAPITAL LETTER A 41 41
B U+0042 LATIN CAPITAL LETTER B 42 42
C U+0043 LATIN CAPITAL LETTER C 43 43
D U+0044 LATIN CAPITAL LETTER D 44 44
E U+0045 LATIN CAPITAL LETTER E 45 45
F U+0046 LATIN CAPITAL LETTER F 46 46
G U+0047 LATIN CAPITAL LETTER G 47 47
H U+0048 LATIN CAPITAL LETTER H 48 48
I U+0049 LATIN CAPITAL LETTER I 49 49
J U+004A LATIN CAPITAL LETTER J 4A 4A
K U+004B LATIN CAPITAL LETTER K 4B 4B
L U+004C LATIN CAPITAL LETTER L 4C 4C
M U+004D LATIN CAPITAL LETTER M 4D 4D
N U+004E LATIN CAPITAL LETTER N 4E 4E
O U+004F LATIN CAPITAL LETTER O 4F 4F
P U+0050 LATIN CAPITAL LETTER P 50 50
Q U+0051 LATIN CAPITAL LETTER Q 51 51
R U+0052 LATIN CAPITAL LETTER R 52 52
S U+0053 LATIN CAPITAL LETTER S 53 53
T U+0054 LATIN CAPITAL LETTER T 54 54
U U+0055 LATIN CAPITAL LETTER U 55 55
V U+0056 LATIN CAPITAL LETTER V 56 56
W U+0057 LATIN CAPITAL LETTER W 57 57
X U+0058 LATIN CAPITAL LETTER X 58 58
Y U+0059 LATIN CAPITAL LETTER Y 59 59
Z U+005A LATIN CAPITAL LETTER Z 5A 5A
[ U+005B LEFT SQUARE BRACKET 5B 5B
\ U+005C REVERSE SOLIDUS 5C 5C
] U+005D RIGHT SQUARE BRACKET 5D 5D
^ U+005E CIRCUMFLEX ACCENT 5E 5E
_ U+005F LOW LINE 5F 5F
` U+0060 GRAVE ACCENT 60 60
a U+0061 LATIN SMALL LETTER A 61 61
b U+0062 LATIN SMALL LETTER B 62 62
c U+0063 LATIN SMALL LETTER C 63 63
d U+0064 LATIN SMALL LETTER D 64 64
e U+0065 LATIN SMALL LETTER E 65 65
f U+0066 LATIN SMALL LETTER F 66 66
g U+0067 LATIN SMALL LETTER G 67 67
h U+0068 LATIN SMALL LETTER H 68 68
i U+0069 LATIN SMALL LETTER I 69 69
j U+006A LATIN SMALL LETTER J 6A 6A
k U+006B LATIN SMALL LETTER K 6B 6B
l U+006C LATIN SMALL LETTER L 6C 6C
m U+006D LATIN SMALL LETTER M 6D 6D
n U+006E LATIN SMALL LETTER N 6E 6E
o U+006F LATIN SMALL LETTER O 6F 6F
p U+0070 LATIN SMALL LETTER P 70 70
q U+0071 LATIN SMALL LETTER Q 71 71
r U+0072 LATIN SMALL LETTER R 72 72
s U+0073 LATIN SMALL LETTER S 73 73
t U+0074 LATIN SMALL LETTER T 74 74
u U+0075 LATIN SMALL LETTER U 75 75
v U+0076 LATIN SMALL LETTER V 76 76
w U+0077 LATIN SMALL LETTER W 77 77
x U+0078 LATIN SMALL LETTER X 78 78
y U+0079 LATIN SMALL LETTER Y 79 79
z U+007A LATIN SMALL LETTER Z 7A 7A
{ U+007B LEFT CURLY BRACKET 7B 7B
| U+007C VERTICAL LINE 7C 7C
} U+007D RIGHT CURLY BRACKET 7D 7D
~ U+007E TILDE 7E 7E
U+007F 7F 7F
  U+00A0 NO-BREAK SPACE A0 9A
Ё U+0401 CYRILLIC CAPITAL LETTER IO A1 B3
А U+0410 CYRILLIC CAPITAL LETTER A B0 E1
Б U+0411 CYRILLIC CAPITAL LETTER BE B1 E2
В U+0412 CYRILLIC CAPITAL LETTER VE B2 F7
Г U+0413 CYRILLIC CAPITAL LETTER GHE B3 E7
Д U+0414 CYRILLIC CAPITAL LETTER DE B4 E4
Е U+0415 CYRILLIC CAPITAL LETTER IE B5 E5
Ж U+0416 CYRILLIC CAPITAL LETTER ZHE B6 F6
З U+0417 CYRILLIC CAPITAL LETTER ZE B7 FA
И U+0418 CYRILLIC CAPITAL LETTER I B8 E9
Й U+0419 CYRILLIC CAPITAL LETTER SHORT I B9 EA
К U+041A CYRILLIC CAPITAL LETTER KA BA EB
Л U+041B CYRILLIC CAPITAL LETTER EL BB EC
М U+041C CYRILLIC CAPITAL LETTER EM BC ED
Н U+041D CYRILLIC CAPITAL LETTER EN BD EE
О U+041E CYRILLIC CAPITAL LETTER O BE EF
П U+041F CYRILLIC CAPITAL LETTER PE BF F0
Р U+0420 CYRILLIC CAPITAL LETTER ER C0 F2
С U+0421 CYRILLIC CAPITAL LETTER ES C1 F3
Т U+0422 CYRILLIC CAPITAL LETTER TE C2 F4
У U+0423 CYRILLIC CAPITAL LETTER U C3 F5
Ф U+0424 CYRILLIC CAPITAL LETTER EF C4 E6
Х U+0425 CYRILLIC CAPITAL LETTER HA C5 E8
Ц U+0426 CYRILLIC CAPITAL LETTER TSE C6 E3
Ч U+0427 CYRILLIC CAPITAL LETTER CHE C7 FE
Ш U+0428 CYRILLIC CAPITAL LETTER SHA C8 FB
Щ U+0429 CYRILLIC CAPITAL LETTER SHCHA C9 FD
Ъ U+042A CYRILLIC CAPITAL LETTER HARD SIGN CA FF
Ы U+042B CYRILLIC CAPITAL LETTER YERU CB F9
Ь U+042C CYRILLIC CAPITAL LETTER SOFT SIGN CC F8
Э U+042D CYRILLIC CAPITAL LETTER E CD FC
Ю U+042E CYRILLIC CAPITAL LETTER YU CE E0
Я U+042F CYRILLIC CAPITAL LETTER YA CF F1
а U+0430 CYRILLIC SMALL LETTER A D0 C1
б U+0431 CYRILLIC SMALL LETTER BE D1 C2
в U+0432 CYRILLIC SMALL LETTER VE D2 D7
г U+0433 CYRILLIC SMALL LETTER GHE D3 C7
д U+0434 CYRILLIC SMALL LETTER DE D4 C4
е U+0435 CYRILLIC SMALL LETTER IE D5 C5
ж U+0436 CYRILLIC SMALL LETTER ZHE D6 D6
з U+0437 CYRILLIC SMALL LETTER ZE D7 DA
и U+0438 CYRILLIC SMALL LETTER I D8 C9
й U+0439 CYRILLIC SMALL LETTER SHORT I D9 CA
к U+043A CYRILLIC SMALL LETTER KA DA CB
л U+043B CYRILLIC SMALL LETTER EL DB CC
м U+043C CYRILLIC SMALL LETTER EM DC CD
н U+043D CYRILLIC SMALL LETTER EN DD CE
о U+043E CYRILLIC SMALL LETTER O DE CF
п U+043F CYRILLIC SMALL LETTER PE DF D0
р U+0440 CYRILLIC SMALL LETTER ER E0 D2
с U+0441 CYRILLIC SMALL LETTER ES E1 D3
т U+0442 CYRILLIC SMALL LETTER TE E2 D4
у U+0443 CYRILLIC SMALL LETTER U E3 D5
ф U+0444 CYRILLIC SMALL LETTER EF E4 C6
х U+0445 CYRILLIC SMALL LETTER HA E5 C8
ц U+0446 CYRILLIC SMALL LETTER TSE E6 C3
ч U+0447 CYRILLIC SMALL LETTER CHE E7 DE
ш U+0448 CYRILLIC SMALL LETTER SHA E8 DB
щ U+0449 CYRILLIC SMALL LETTER SHCHA E9 DD
ъ U+044A CYRILLIC SMALL LETTER HARD SIGN EA DF
ы U+044B CYRILLIC SMALL LETTER YERU EB D9
ь U+044C CYRILLIC SMALL LETTER SOFT SIGN EC D8
э U+044D CYRILLIC SMALL LETTER E ED DC
ю U+044E CYRILLIC SMALL LETTER YU EE C0
я U+044F CYRILLIC SMALL LETTER YA EF D1
ё U+0451 CYRILLIC SMALL LETTER IO F1 A3
Other Comparisons
ISO-8859-5 (Cyrillic) Reference KOI8-R Reference All Encodings Swap comparison →