Full-width ASCII
Input
ＫｏｇｕＮａｖｉ １２３！
Output
KoguNavi 123!
Full-width / Half-width Converter
Convert full-width and half-width text for Japanese forms, office documents, and everyday cleanup.
Conversion tools
What it helps with
- Clean Japanese form input
- Normalize copied text before sharing
- Convert half-width katakana in office documents
How to use
- Paste text that contains full-width or half-width characters.
- Choose full-width to half-width, half-width to full-width, or space normalization.
- Review the converted text and copy the output.
Examples
Half-width katakana
Input
ｶﾞｯｺｳでﾊﾟﾝを買う
Output
ガッコウでパンを買う
Normalize spaces
Input
住所 氏名 メモ
Output
住所 氏名 メモ
Good to know
- Some symbols may not have exact equivalents.
- Japanese punctuation conversion can vary by context.
- This tool does not translate text.
FAQ
- Does this tool translate Japanese?
- No. It only converts character width, spaces, and selected punctuation or katakana forms.
- Does it handle half-width katakana?
- Yes. Common half-width katakana and voiced marks are converted to full-width katakana.
- Does it upload text?
- No. Conversion is designed to run in your browser for this tool.
Related tools
Nearby utilities from the KoguNavi toolbox.