Full-width / half-width converter
Convert Japanese text between full-width and half-width forms, including kana, letters, digits, and symbols.
How to use
- Paste the text.
- Choose the direction and what to convert.
- Convert and copy the result.
What it supports
Handles JIS X 0201 kana including dakuten combinations, ASCII letters and digits, common symbols, and full/half-width spaces. Conversion keeps characters that have no counterpart as written. Input up to 200,000 characters.