Fullwidth / Halfwidth
Convert characters between fullwidth and halfwidth forms
How to use fullwidth / halfwidth conversion
Paste or type text, then click To fullwidth to convert printable ASCII (including spaces) to fullwidth, or To halfwidth to reverse. CJK characters are unchanged.
- Fullwidth:Common in Japanese layout and Chinese IME; each character spans two halfwidth columns
- Halfwidth:Standard ASCII characters, one column wide
- Privacy:Input is converted only in your browser
FAQ
Which characters are converted?
Halfwidth to fullwidth covers printable ASCII (space through tilde). Fullwidth to halfwidth covers the matching fullwidth characters and fullwidth space.
Is my data uploaded?
No. Everything runs locally in your browser.