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 ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????N?????????????????????????????????????????????????????????????????????????????????????????????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
SJIS-WIN ???????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆???????????????????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆?????????N?????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011101100001110001110101011001000111011000010100011101010011110001110110000101100101011000101100011101010110010001110110000101000111010100111100011101100001010001110101100010011111100111111001111110011111110001110110000111000111010101100100011101100001110001110101101101000111011000010100011101010011110001110110000111000111010101100100011101100001010001110101001111000111011000010110011001100010110001110101011001000111011000010100011101011000110001110110000101101111011000101100011101011110100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011101100001110001110101011001000111011000010100011101010011110001110110000101100101011000101100011101010110010001110110000101000111010100111100011101100001010001110101100010011111100111111001111110011111110001110110000111000111010101100100011101100001110001110101101101000111011000010100011101010011110001110110000111000111010101100100011101100001010001110101001111000111011000010110011001100010110001110101011001000111011000010100011101011000110001110110000101101111011000101100011101011110100111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001110110000111000111010101100100011101100001010001110101001111000111011000010110010101100010110001110101011001000111011000010100011101010011110001110110000101000111010110001001111110011111100111111001111111000111011000011100011101010110010001110110000111000111010110110100011101100001010001110101001111000111011000011100011101010110010001110110000101000111010100111100011101100001011001100110001011000111010101100100011101100001010001110101100011000111011000010110111101100010110001110101111010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ec38eac8ec28ea78ec2cac58eac8ec28ea78ec28eb13f3f3f3f8ec38eac8ec38eb68ec28ea78ec38eac8ec28ea78ec2ccc58eac8ec28eb18ec2dec58ebd3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ec38eac8ec28ea78ec2cac58eac8ec28ea78ec28eb13f3f3f3f8ec38eac8ec38eb68ec28ea78ec38eac8ec28ea78ec2ccc58eac8ec28eb18ec2dec58ebd3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ec38eac8ec28ea78ec2cac58eac8ec28ea78ec28eb13f3f3f3f8ec38eac8ec38eb68ec28ea78ec38eac8ec28ea78ec2ccc58eac8ec28eb18ec2dec58ebd3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
EUC-JP ???????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆???????????????????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆?????????N?????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101111001100010110111100101011101011110011000100101111001010100110111100110001001000111011001010100011101100010110111100101011101011110011000100101111001010100110111100110001001011110010110011001111110011111100111111001111111011110011000101101111001010111010111100110001011011110010111000101111001100010010111100101010011011110011000101101111001010111010111100110001001011110010101001101111001100010010001110110011001000111011000101101111001010111010111100110001001011110010110011101111001100010010001110110111101000111011000101101111001011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101111001100010110111100101011101011110011000100101111001010100110111100110001001000111011001010100011101100010110111100101011101011110011000100101111001010100110111100110001001011110010110011001111110011111100111111001111111011110011000101101111001010111010111100110001011011110010111000101111001100010010111100101010011011110011000101101111001010111010111100110001001011110010101001101111001100010010001110110011001000111011000101101111001010111010111100110001001011110010110011101111001100010010001110110111101000111011000101101111001011111100111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110111100110001011011110010101110101111001100010010111100101010011011110011000100100011101100101010001110110001011011110010101110101111001100010010111100101010011011110011000100101111001011001100111111001111110011111100111111101111001100010110111100101011101011110011000101101111001011100010111100110001001011110010101001101111001100010110111100101011101011110011000100101111001010100110111100110001001000111011001100100011101100010110111100101011101011110011000100101111001011001110111100110001001000111011011110100011101100010110111100101111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbcc5bcaebcc4bca9bcc48eca8ec5bcaebcc4bca9bcc4bcb33f3f3f3fbcc5bcaebcc5bcb8bcc4bca9bcc5bcaebcc4bca9bcc48ecc8ec5bcaebcc4bcb3bcc48ede8ec5bcbf3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbcc5bcaebcc4bca9bcc48eca8ec5bcaebcc4bca9bcc4bcb33f3f3f3fbcc5bcaebcc5bcb8bcc4bca9bcc5bcaebcc4bca9bcc48ecc8ec5bcaebcc4bcb3bcc48ede8ec5bcbf3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbcc5bcaebcc4bca9bcc48eca8ec5bcaebcc4bca9bcc4bcb33f3f3f3fbcc5bcaebcc5bcb8bcc4bca9bcc5bcaebcc4bca9bcc48ecc8ec5bcaebcc4bcb3bcc48ede8ec5bcbf3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
UTF-8 ???????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆???????????????????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆?????????N?????????????????????????????????????????????????????偲汐篠而篠ﾊﾅ汐篠而篠竺????偲汐偲叱篠而偲汐篠而篠ﾌﾅ汐篠竺篠ﾞﾅ漆????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011000000110110010111001101011000110010000111001111010111110100000111010001000000010001100111001111010111110100000111011111011111010001010111011111011111010000101111001101011000110010000111001111010111110100000111010001000000010001100111001111010111110100000111001111010101110111010001111110011111100111111001111111110010110000001101100101110011010110001100100001110010110000001101100101110010110001111101100011110011110101111101000001110100010000000100011001110010110000001101100101110011010110001100100001110011110101111101000001110100010000000100011001110011110101111101000001110111110111110100011001110111110111110100001011110011010110001100100001110011110101111101000001110011110101011101110101110011110101111101000001110111110111110100111101110111110111110100001011110011010111100100001100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111100101100000011011001011100110101100011001000011100111101011111010000011101000100000001000110011100111101011111010000011101111101111101000101011101111101111101000010111100110101100011001000011100111101011111010000011101000100000001000110011100111101011111010000011100111101010111011101000111111001111110011111100111111111001011000000110110010111001101011000110010000111001011000000110110010111001011000111110110001111001111010111110100000111010001000000010001100111001011000000110110010111001101011000110010000111001111010111110100000111010001000000010001100111001111010111110100000111011111011111010001100111011111011111010000101111001101011000110010000111001111010111110100000111001111010101110111010111001111010111110100000111011111011111010011110111011111011111010000101111001101011110010000110001111110011111100111111001111110011111100111111001111110011111100111111010011100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011000000110110010111001101011000110010000111001111010111110100000111010001000000010001100111001111010111110100000111011111011111010001010111011111011111010000101111001101011000110010000111001111010111110100000111010001000000010001100111001111010111110100000111001111010101110111010001111110011111100111111001111111110010110000001101100101110011010110001100100001110010110000001101100101110010110001111101100011110011110101111101000001110100010000000100011001110010110000001101100101110011010110001100100001110011110101111101000001110100010000000100011001110011110101111101000001110111110111110100011001110111110111110100001011110011010110001100100001110011110101111101000001110011110101011101110101110011110101111101000001110111110111110100111101110111110111110100001011110011010111100100001100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe581b2e6b190e7afa0e8808ce7afa0efbe8aefbe85e6b190e7afa0e8808ce7afa0e7abba3f3f3f3fe581b2e6b190e581b2e58fb1e7afa0e8808ce581b2e6b190e7afa0e8808ce7afa0efbe8cefbe85e6b190e7afa0e7abbae7afa0efbe9eefbe85e6bc863f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe581b2e6b190e7afa0e8808ce7afa0efbe8aefbe85e6b190e7afa0e8808ce7afa0e7abba3f3f3f3fe581b2e6b190e581b2e58fb1e7afa0e8808ce581b2e6b190e7afa0e8808ce7afa0efbe8cefbe85e6b190e7afa0e7abbae7afa0efbe9eefbe85e6bc863f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe581b2e6b190e7afa0e8808ce7afa0efbe8aefbe85e6b190e7afa0e8808ce7afa0e7abba3f3f3f3fe581b2e6b190e581b2e58fb1e7afa0e8808ce581b2e6b190e7afa0e8808ce7afa0efbe8cefbe85e6b190e7afa0e7abbae7afa0efbe9eefbe85e6bc863f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
UHC ????????????????????????????????????????????????????????汐篠而篠??汐篠而篠竺?????汐?叱篠而?汐篠而篠??汐篠竺篠??漆????????????????????????????????????????????????????????????????????汐篠而篠??汐篠而篠竺?????汐?叱篠而?汐篠而篠??汐篠竺篠??漆?????????N??????????????????????????????????????????????????????汐篠而篠??汐篠而篠竺?????汐?叱篠而?汐篠而篠??汐篠竺篠??漆????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110000010110001111000011100011011101100101110111110000111000110001111110011111111100000101100011110000111000110111011001011101111100001110001101111010111100111001111110011111100111111001111110011111111100000101100010011111111110010111010101110000111000110111011001011101100111111111000001011000111100001110001101110110010111011111000011100011000111111001111111110000010110001111000011100011011110101111001111110000111000110001111110011111111110110110101000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111000001011000111100001110001101110110010111011111000011100011000111111001111111110000010110001111000011100011011101100101110111110000111000110111101011110011100111111001111110011111100111111001111111110000010110001001111111111001011101010111000011100011011101100101110110011111111100000101100011110000111000110111011001011101111100001110001100011111100111111111000001011000111100001110001101111010111100111111000011100011000111111001111111111011011010100001111110011111100111111001111110011111100111111001111110011111100111111010011100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110000010110001111000011100011011101100101110111110000111000110001111110011111111100000101100011110000111000110111011001011101111100001110001101111010111100111001111110011111100111111001111110011111111100000101100010011111111110010111010101110000111000110111011001011101100111111111000001011000111100001110001101110110010111011111000011100011000111111001111111110000010110001111000011100011011110101111001111110000111000110001111110011111111110110110101000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe0b1e1c6ecbbe1c63f3fe0b1e1c6ecbbe1c6f5e73f3f3f3f3fe0b13ff2eae1c6ecbb3fe0b1e1c6ecbbe1c63f3fe0b1e1c6f5e7e1c63f3ff6d43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe0b1e1c6ecbbe1c63f3fe0b1e1c6ecbbe1c6f5e73f3f3f3f3fe0b13ff2eae1c6ecbb3fe0b1e1c6ecbbe1c63f3fe0b1e1c6f5e7e1c63f3ff6d43f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe0b1e1c6ecbbe1c63f3fe0b1e1c6ecbbe1c6f5e73f3f3f3f3fe0b13ff2eae1c6ecbb3fe0b1e1c6ecbbe1c63f3fe0b1e1c6f5e7e1c63f3ff6d43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f

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。