unicode
Section: (pj)
Updated: 2022-01-06
Index
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UTF-8
This chart shows how to convert between Unicode and UTF-8 (from the
Unicode 2.0 spec):
-
Unicode UTF-8
1st Byte 2nd Byte 1st Byte 2nd Byte 3rd Byte 4th Byte
0000 0000 0xxx xxxx 0xxx xxxx
0000 0yyy yyxx xxxx 110y yyyy 10xx xxxx
zzzz yyyy yyxx xxxx 1110 zzzz 10yy yyyy 10xx xxxx
1101 10ww wwzz zzyy + 1111 0uuu 10uu zzzz 10yy yyyy 10xx xxxx
1101 11yy yyxx xxxx (uuuuu = wwww + 1)
BYTE ORDER MARKS
Here's the deal with byte-order marks (BOMs) in the various flavors
of Unicode:
- •
-
00 00 FE FF: UCS-4, big-endian (aka UTF-32)
- •
-
FF FE 00 00: UCS-4, little-endian (aka UTF-32)
- •
-
FE FF: Unicode, big-endian (aka UTF-16)
- •
-
FF FE: Unicode, little-endian (aka UTF-16)
- •
-
EF BB BF: UTF-8
- •
-
0F FE FF: UTR-6 (compressed Unicode)
AUTHORS
Paul A. Jungwirth.
Index
- UTF-8
-
- BYTE ORDER MARKS
-
- AUTHORS
-
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Time: 21:16:02 GMT, January 04, 2026