UTF8 to Shift_JIS in Javascript
Background The TextEncoder() in js does not support Shift_JIS , which means you may need to find some alternative ways to turn UTF-8 Japanese/Kana character into Shift_JIS encoding format for further handling in your use-case (such as FeliCa chip personalisation). To verify whether a pair of hex values is in SJIS format - use this site . [1] Know more about Japanese Character Set See this presentation by MySQL. Half-width Katakana in UTF-8 In Unicode, half-width katakana, which is called as hankaku (半角), is represented from position U+FF61 to U+FF9F . 0 1 2 3 4 5 6 7 8 9 A B C D E F FF60 ｡ ｢ ｣ ､ ･ ｦ ｧ ｨ ｩ ｪ ｫ ｬ ｭ ｮ ｯ FF70 ｰ ｱ ｲ ｳ ｴ ｵ ｶ ｷ ｸ ｹ ｺ ｻ ｼ ｽ ｾ ｿ FF80 ﾀ ﾁ ﾂ ﾃ ﾄ ﾅ ﾆ ﾇ ﾈ ﾉ ﾊ ﾋ ﾌ ﾍ ﾎ ﾏ FF90 ﾐ ﾑ ﾒ ﾓ ﾔ ﾕ ﾖ ﾗ ﾘ ﾙ ﾚ ﾛ ﾜ ﾝ ﾞ ﾟ Read this article to learn more . Existing library encoding.js If you cannot use external library for any reason Implement yourself - use mapping, you can take r