Convert between full-width and half-width

全角文字と半角文字を相互変換

Keep the original Romaji (A-Z, a-z)

Half-Width (半角)

0 characters / 4000 left

Full-Width (全角)

0 characters

Enter half-width text on the left (top on mobile) and click right arrow to convert to full-width
Enter full-width text on the right (bottom on mobile) and click left arrow to convert to half-width
Supports numbers, letters, katakana, symbols, etc.

Half-Width:

ABC123 ｶﾀｶﾅ

Full-Width:

ＡＢＣ１２３　カタカナ