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Full-width / half-width converter
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About this tool
Convert ASCII-width forms and U+FF01–U+FF5E full-width forms, with optional space conversion.
Common uses
- Convert ASCII-width forms and U+FF01–U+FF5E full-width forms, with optional space conversion.
- Choose full-width to half-width or the reverse and paste the text.
How to use it
- 1.Choose full-width to half-width or the reverse and paste the text.
- 2.Choose whether to convert ordinary/ideographic spaces, then convert and inspect the changed-character count.
Limits and notes
- Kana width conversion is not supported. Letters/digits and spaces can be enabled separately; supported punctuation is always converted.
Frequently asked questions
What does this tool do?
Convert ASCII-width forms and U+FF01–U+FF5E full-width forms, with optional space conversion.
What should I check before using the result?
Kana width conversion is not supported. Letters/digits and spaces can be enabled separately; supported punctuation is always converted.