ある文字が,文字コードごとにどんなビット列に対応するか

1文字あるいは短い文字列を入力し、「変換」ボタンをクリックしてください。


(UTF-8)
文字コード 文字 ビット列(2進表現) ビット列(16進表現)
ISO-8859-1 ?????????????????????????????????????????????Àä??Àä??±Æ??Àä??±Æ??Àá??Àá¦Ï?Àá¢æ?±Æ???Àä??Àá?Àä??Àä??±Æ??Àä??Àä??Àä??Àá¦Ï?Àá¦Ï?Àá¢æ?±Æ???Àä??Àá??Àä??Àä??±Æ??Àä??±Æ??Àá??Àá¦Ï?Àá¢æ?±Æ???Àä??Àá?Àä??Àä??±Æ??Àä??Àä??Àä??Àá¦Ï?Àá¦Ï?Àá¢æ?±Æ???Àä??Àá????????????????????????????????????????????????????????????????????????????N???????????????? 0011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111100000011100100001111110011111111000000111001000011111100111111101100011100011000111111001111111100000011100100001111110011111110110001110001100011111100111111110000001110000100111111001111111100000011100001101001101100111100111111110000001110000110100010111001100011111110110001110001100011111100111111001111111100000011100100001111110011111111000000111000010011111111000000111001000011111100111111110000001110010000111111001111111011000111000110001111110011111111000000111001000011111100111111110000001110010000111111001111111100000011100100001111110011111111000000111000011010011011001111001111111100000011100001101001101100111100111111110000001110000110100010111001100011111110110001110001100011111100111111001111111100000011100100001111110011111111000000111000010011111100111111110000001110010000111111001111111100000011100100001111110011111110110001110001100011111100111111110000001110010000111111001111111011000111000110001111110011111111000000111000010011111100111111110000001110000110100110110011110011111111000000111000011010001011100110001111111011000111000110001111110011111100111111110000001110010000111111001111111100000011100001001111111100000011100100001111110011111111000000111001000011111100111111101100011100011000111111001111111100000011100100001111110011111111000000111001000011111100111111110000001110010000111111001111111100000011100001101001101100111100111111110000001110000110100110110011110011111111000000111000011010001011100110001111111011000111000110001111110011111100111111110000001110010000111111001111111100000011100001001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fc0e43f3fc0e43f3fb1c63f3fc0e43f3fb1c63f3fc0e13f3fc0e1a6cf3fc0e1a2e63fb1c63f3f3fc0e43f3fc0e13fc0e43f3fc0e43f3fb1c63f3fc0e43f3fc0e43f3fc0e43f3fc0e1a6cf3fc0e1a6cf3fc0e1a2e63fb1c63f3f3fc0e43f3fc0e13f3fc0e43f3fc0e43f3fb1c63f3fc0e43f3fb1c63f3fc0e13f3fc0e1a6cf3fc0e1a2e63fb1c63f3f3fc0e43f3fc0e13fc0e43f3fc0e43f3fb1c63f3fc0e43f3fc0e43f3fc0e43f3fc0e1a6cf3fc0e1a6cf3fc0e1a2e63fb1c63f3f3fc0e43f3fc0e13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
SJIS-WIN ?????????????????????????????????????????????????????±???????±??????????????¢??±???????????????????±???????????????????????????¢??±????????????????????±???????±??????????????¢??±???????????????????±???????????????????????????¢??±??????????????????????????????????????????????????????????????????????????????????????N???????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000000101111101001111110011111100111111001111110011111100111111001111111000000101111101001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001100100010011111100111111100000010111110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100000010111110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001100100010011111100111111100000010111110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000000101111101001111110011111100111111001111110011111100111111001111111000000101111101001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001100100010011111100111111100000010111110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100000010111110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001100100010011111100111111100000010111110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f3f3f3f3f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f81913f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81913f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f3f3f3f3f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f81913f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81913f3f817d3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
EUC-JP ?????????????????????????????????????????????Àä??Àä??±Æ??Àä??±Æ??Àá??Àá¦Ï?Àá¢æ?±Æ???Àä??Àá?Àä??Àä??±Æ??Àä??Àä??Àä??Àá¦Ï?Àá¦Ï?Àá¢æ?±Æ???Àä??Àá??Àä??Àä??±Æ??Àä??±Æ??Àá??Àá¦Ï?Àá¢æ?±Æ???Àä??Àá?Àä??Àä??±Æ??Àä??Àä??Àä??Àá¦Ï?Àá¦Ï?Àá¢æ?±Æ???Àä??Àá????????????????????????????????????????????????????????????????????????????N???????????????? 0011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000111110101010101000101000111110101011101000110011111100111111100011111010101010100010100011111010101110100011001111110011111110100001110111101000111110101001101000010011111100111111100011111010101010100010100011111010101110100011001111110011111110100001110111101000111110101001101000010011111100111111100011111010101010100010100011111010101110100001001111110011111110001111101010101010001010001111101010111010000110001111101000101100001110001111101010101100000100111111100011111010101010100010100011111010101110100001101000011111000110001111101010011100000100111111101000011101111010001111101010011010000100111111001111110011111110001111101010101010001010001111101010111010001100111111001111111000111110101010101000101000111110101011101000010011111110001111101010101010001010001111101010111010001100111111001111111000111110101010101000101000111110101011101000110011111100111111101000011101111010001111101010011010000100111111001111111000111110101010101000101000111110101011101000110011111100111111100011111010101010100010100011111010101110100011001111110011111110001111101010101010001010001111101010111010001100111111001111111000111110101010101000101000111110101011101000011000111110100010110000111000111110101010110000010011111110001111101010101010001010001111101010111010000110001111101000101100001110001111101010101100000100111111100011111010101010100010100011111010101110100001101000011111000110001111101010011100000100111111101000011101111010001111101010011010000100111111001111110011111110001111101010101010001010001111101010111010001100111111001111111000111110101010101000101000111110101011101000010011111100111111100011111010101010100010100011111010101110100011001111110011111110001111101010101010001010001111101010111010001100111111001111111010000111011110100011111010100110100001001111110011111110001111101010101010001010001111101010111010001100111111001111111010000111011110100011111010100110100001001111110011111110001111101010101010001010001111101010111010000100111111001111111000111110101010101000101000111110101011101000011000111110100010110000111000111110101010110000010011111110001111101010101010001010001111101010111010000110100001111100011000111110101001110000010011111110100001110111101000111110101001101000010011111100111111001111111000111110101010101000101000111110101011101000110011111100111111100011111010101010100010100011111010101110100001001111111000111110101010101000101000111110101011101000110011111100111111100011111010101010100010100011111010101110100011001111110011111110100001110111101000111110101001101000010011111100111111100011111010101010100010100011111010101110100011001111110011111110001111101010101010001010001111101010111010001100111111001111111000111110101010101000101000111110101011101000110011111100111111100011111010101010100010100011111010101110100001100011111010001011000011100011111010101011000001001111111000111110101010101000101000111110101011101000011000111110100010110000111000111110101010110000010011111110001111101010101010001010001111101010111010000110100001111100011000111110101001110000010011111110100001110111101000111110101001101000010011111100111111001111111000111110101010101000101000111110101011101000110011111100111111100011111010101010100010100011111010101110100001001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8faaa28faba33f3f8faaa28faba33f3fa1de8fa9a13f3f8faaa28faba33f3fa1de8fa9a13f3f8faaa28faba13f3f8faaa28faba18fa2c38faac13f8faaa28faba1a1f18fa9c13fa1de8fa9a13f3f3f8faaa28faba33f3f8faaa28faba13f8faaa28faba33f3f8faaa28faba33f3fa1de8fa9a13f3f8faaa28faba33f3f8faaa28faba33f3f8faaa28faba33f3f8faaa28faba18fa2c38faac13f8faaa28faba18fa2c38faac13f8faaa28faba1a1f18fa9c13fa1de8fa9a13f3f3f8faaa28faba33f3f8faaa28faba13f3f8faaa28faba33f3f8faaa28faba33f3fa1de8fa9a13f3f8faaa28faba33f3fa1de8fa9a13f3f8faaa28faba13f3f8faaa28faba18fa2c38faac13f8faaa28faba1a1f18fa9c13fa1de8fa9a13f3f3f8faaa28faba33f3f8faaa28faba13f8faaa28faba33f3f8faaa28faba33f3fa1de8fa9a13f3f8faaa28faba33f3f8faaa28faba33f3f8faaa28faba33f3f8faaa28faba18fa2c38faac13f8faaa28faba18fa2c38faac13f8faaa28faba1a1f18fa9c13fa1de8fa9a13f3f3f8faaa28faba33f3f8faaa28faba13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
UTF-8 ?????????????????????????????????????????????Àä??Àä??±Æ??Àä??±Æ??Àá??Àá¦Ï?Àá¢æ?±Æ???Àä??Àá?Àä??Àä??±Æ??Àä??Àä??Àä??Àá¦Ï?Àá¦Ï?Àá¢æ?±Æ???Àä??Àá??Àä??Àä??±Æ??Àä??±Æ??Àá??Àá¦Ï?Àá¢æ?±Æ???Àä??Àá?Àä??Àä??±Æ??Àä??Àä??Àä??Àá¦Ï?Àá¦Ï?Àá¢æ?±Æ???Àä??Àá????????????????????????????????????????????????????????????????????????????N???????????????? 001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111110000111000000011000011101001000011111100111111110000111000000011000011101001000011111100111111110000101011000111000011100001100011111100111111110000111000000011000011101001000011111100111111110000101011000111000011100001100011111100111111110000111000000011000011101000010011111100111111110000111000000011000011101000011100001010100110110000111000111100111111110000111000000011000011101000011100001010100010110000111010011000111111110000101011000111000011100001100011111100111111001111111100001110000000110000111010010000111111001111111100001110000000110000111010000100111111110000111000000011000011101001000011111100111111110000111000000011000011101001000011111100111111110000101011000111000011100001100011111100111111110000111000000011000011101001000011111100111111110000111000000011000011101001000011111100111111110000111000000011000011101001000011111100111111110000111000000011000011101000011100001010100110110000111000111100111111110000111000000011000011101000011100001010100110110000111000111100111111110000111000000011000011101000011100001010100010110000111010011000111111110000101011000111000011100001100011111100111111001111111100001110000000110000111010010000111111001111111100001110000000110000111010000100111111001111111100001110000000110000111010010000111111001111111100001110000000110000111010010000111111001111111100001010110001110000111000011000111111001111111100001110000000110000111010010000111111001111111100001010110001110000111000011000111111001111111100001110000000110000111010000100111111001111111100001110000000110000111010000111000010101001101100001110001111001111111100001110000000110000111010000111000010101000101100001110100110001111111100001010110001110000111000011000111111001111110011111111000011100000001100001110100100001111110011111111000011100000001100001110100001001111111100001110000000110000111010010000111111001111111100001110000000110000111010010000111111001111111100001010110001110000111000011000111111001111111100001110000000110000111010010000111111001111111100001110000000110000111010010000111111001111111100001110000000110000111010010000111111001111111100001110000000110000111010000111000010101001101100001110001111001111111100001110000000110000111010000111000010101001101100001110001111001111111100001110000000110000111010000111000010101000101100001110100110001111111100001010110001110000111000011000111111001111110011111111000011100000001100001110100100001111110011111111000011100000001100001110100001001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fc380c3a43f3fc380c3a43f3fc2b1c3863f3fc380c3a43f3fc2b1c3863f3fc380c3a13f3fc380c3a1c2a6c38f3fc380c3a1c2a2c3a63fc2b1c3863f3f3fc380c3a43f3fc380c3a13fc380c3a43f3fc380c3a43f3fc2b1c3863f3fc380c3a43f3fc380c3a43f3fc380c3a43f3fc380c3a1c2a6c38f3fc380c3a1c2a6c38f3fc380c3a1c2a2c3a63fc2b1c3863f3f3fc380c3a43f3fc380c3a13f3fc380c3a43f3fc380c3a43f3fc2b1c3863f3fc380c3a43f3fc2b1c3863f3fc380c3a13f3fc380c3a1c2a6c38f3fc380c3a1c2a2c3a63fc2b1c3863f3f3fc380c3a43f3fc380c3a13fc380c3a43f3fc380c3a43f3fc2b1c3863f3fc380c3a43f3fc380c3a43f3fc380c3a43f3fc380c3a1c2a6c38f3fc380c3a1c2a6c38f3fc380c3a1c2a2c3a63fc2b1c3863f3f3fc380c3a43f3fc380c3a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
UHC ?????????????????????????????????????????????????????±Æ??????±Æ??????????????æ?±Æ??????????????????±Æ???????????????????????????æ?±Æ???????????????????±Æ??????±Æ??????????????æ?±Æ??????????????????±Æ???????????????????????????æ?±Æ?????????????????????????????????????????????????????????????????????????????????????N???????????????? 0011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101000011011111010101000101000010011111100111111001111110011111100111111001111111010000110111110101010001010000100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111010100110100001001111111010000110111110101010001010000100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110100001101111101010100010100001001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101010011010000100111111101000011011111010101000101000010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110100001101111101010100010100001001111110011111100111111001111110011111100111111101000011011111010101000101000010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101010011010000100111111101000011011111010101000101000010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111010000110111110101010001010000100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110101001101000010011111110100001101111101010100010100001001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1bea8a13f3f3f3f3f3fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3fa9a13fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa9a13fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1bea8a13f3f3f3f3f3fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3fa9a13fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa9a13fa1bea8a13f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f

SJIS-Win,EUC-JP: Windows(SJIS-Win=CP932)、UNIX(EUC-JP)で日本語扱うための文字コード。