Convert Full-width <--> Half-width - Calculator Site

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Site Map Converts characters from full-width to half-width or half-width to full-width.

Converts from full-width kana to half-width kana, and from full-width space to half-width space.

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Convert character
Convert full-width <--> half-width

Convert full-width <--> half-width

The input string is converted to Full-width <--> half-width.

When the character string to be converted is input, the conversion form is selected, and "Convert" button is clicked, it is converted by the selected conversion form and it is displayed.

3000 character or less

Conversion format: Full-width characters → Half-width characters Half-width characters → Full-width characters Full-width kana → Half-width kana Half-width katakana → Full-width katakana Full-width space → Half-width space Half-width space → Full-width space Full-width number → Half-width number Half-width numbers → Full-width numbers Full-width alphanumerical → Half-width alphanumerical Half-width alphanumerical → Full-width alphanumerical

String after conversion

Full-width and half-width conversion

About full-width and half-width conversion

Convert full-width and half-width characters in the text entered in the text area.

By selecting the conversion format, you can convert full-width characters to half-width characters, convert full-width numbers to half-width numbers, and so on.

You can use it to change half-width numbers to half-width numbers in sentences, or to correct sentences with half-width kana mixed in.

You can also convert full-width spaces in text to half-width spaces.

About converted characters

This is a list of target characters for each selected conversion format.

Full-width and half-width characters convert full-width and half-width alphabets, numbers, symbols, and spaces.

Full-width alphanumeric characters and half-width alphanumeric characters are converted from full-width and half-width alphabets and numbers.

Double-byte character

Alphabet	ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ
Number	０１２３４５６７８９
Sign	！＃＄％＆（）＊＋，－．／：；＜＝＞？＠［］＾＿｀｛｜｝ ” ’ ￥～
Kana	アイウエオカキクケコサシスセソタチツテトナニヌネノハヒフヘホマミムメモヤユヨラリルレロワヲンガギグゲゴザジズゼゾダヂヅデドバビブベボパピプペポヴァィゥェォッャュョヮヰヱ・ー、。・「」
Space	「　」Full-width space(U+3000)

Half-width character

Alphabet	A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z
Number	0 1 2 3 4 5 6 7 8 9
Sign	! # $ % & ( ) * + , - . / : ; < = > ? @ [ ] ^ _ ` { \| } " ' \ ~
Kana	ｱｲｳｴｵｶｷｸｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜｦﾝｶﾞｷﾞｸﾞｹﾞｺﾞｻﾞｼﾞｽﾞｾﾞｿﾞﾀﾞﾁﾞﾂﾞﾃﾞﾄﾞﾊﾞﾋﾞﾌﾞﾍﾞﾎﾞﾊﾟﾋﾟﾌﾟﾍﾟﾎﾟｳﾞｧｨｩｪｫｯｬｭｮ･ｰ､｡･｢｣
Space	「」Half-width space(U+0020)