Development Japan Specific | JIS 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] or this site[2].  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 reference to this script [2]  JIS X 0213 Table References [1] “Hex to SJIS,” freaka.freehostia.com. http://freaka.freehostia.com/charset_js.html (accessed Sep. 24, 2023). [2] toracatman, “toracatman/UTF-JIS,” GitHub, Jan. 26, 2023. https://github.com/toracatman/UTF-JIS (accessed Sep. 24, 2023). [3] “Character Width (Half-width, Full-width) Converter Online,” DenCode. https://dencode.com/en/string/character-width (accessed Sep. 24, 2023). ‌ [1], [2], [3] [1], [2], [3] Proxmox VE Windows11 installation failed reasons Check requirements bypass SHIFT + F10 > Regedit > HKEY_LOCAL_MACHINE\SYSTEM\Setup\LabConfig BypassRAMCheck Assign more than one core to the virtual machine