This data is derived from document.characterSet.

Encoding name Firefox Chrome IE ZombieOpera
utf-8 UTF-8 UTF-8 utf-8 utf-8
ibm866 IBM866 ISO-8859-1 cp866 ibm866
iso-8859-2 ISO-8859-2 ISO-8859-2 iso-8859-2 iso-8859-2
iso-8859-3 ISO-8859-3 ISO-8859-3 iso-8859-3 iso-8859-3
iso-8859-4 ISO-8859-4 ISO-8859-4 iso-8859-4 iso-8859-4
iso-8859-5 ISO-8859-5 ISO-8859-5 iso-8859-5 iso-8859-5
iso-8859-6 ISO-8859-6 ISO-8859-6 iso-8859-6 iso-8859-6
iso-8859-7 ISO-8859-7 ISO-8859-7 iso-8859-7 iso-8859-7
iso-8859-8 ISO-8859-8 ISO-8859-8 iso-8859-8 iso-8859-8
iso-8859-8-i ISO-8859-8-I ISO-8859-8-I iso-8859-8-i iso-8859-8-i
iso-8859-10 ISO-8859-10 ISO-8859-10 windows-1252 iso-8859-10
iso-8859-13 ISO-8859-13 ISO-8859-13 iso-8859-13 iso-8859-13
iso-8859-14 ISO-8859-14 ISO-8859-14 windows-1252 iso-8859-14
iso-8859-15 ISO-8859-15 ISO-8859-15 iso-8859-15 iso-8859-15
iso-8859-16 ISO-8859-16 ISO-8859-16 windows-1252 iso-8859-16
koi8-r KOI8-R KOI8-R koi8-r koi8-r
koi8-u KOI8-U KOI8-U koi8-u koi8-u
macintosh macintosh macintosh macintosh macintosh
windows-874 windows-874 windows-874 windows-874 iso-8859-11
windows-1250 windows-1250 windows-1250 windows-1250 windows-1250
windows-1251 windows-1251 windows-1251 windows-1251 windows-1251
windows-1252 windows-1252 windows-1252 windows-1252 windows-1252
windows-1253 windows-1253 windows-1253 windows-1253 windows-1253
windows-1254 windows-1254 windows-1254 windows-1254 windows-1254
windows-1255 windows-1255 windows-1255 windows-1255 windows-1255
windows-1256 windows-1256 windows-1256 windows-1256 windows-1256
windows-1257 windows-1257 windows-1257 windows-1257 windows-1257
windows-1258 windows-1258 windows-1258 windows-1258 windows-1258
x-mac-cyrillic x-mac-cyrillic x-mac-cyrillic x-mac-cyrillic x-mac-cyrillic
gb18030 gb18030 gb18030 GB18030 gb18030
hz-gb-2312 HZ-GB-2312 HZ-GB-2312 hz-gb-2312 hz-gb-2312
big5 Big5 Big5 big5 big5
euc-jp EUC-JP EUC-JP euc-jp euc-jp
iso-2022-jp ISO-2022-JP ISO-2022-JP iso-2022-jp iso-2022-jp
shift_jis Shift_JIS Shift_JIS shift_jis shift_jis
euc-kr EUC-KR EUC-KR euc-kr euc-kr
replacement windows-1252 ISO-8859-1 windows-1252 windows-1252
utf-16be UTF-16BE UTF-16BE unicodeFEFF utf-16
utf-16le UTF-16LE UTF-16LE unicode utf-16
x-user-defined x-user-defined x-user-defined x-user-defined x-user-defined