Text utility

Full-width & Half-width Converter

Convert only the character types you choose, then review the changes before using the result.

Conversion direction
Character types
Presets
Input0 characters
Result0 charactersChanged0 characters0%

What changed

Enter text to see what changes.

Your text stays in this browser. It is not sent externally. Hiragana, kanji, and unsupported characters remain unchanged.

What this converter does

Choose which alphanumeric characters, symbols, spaces, or Japanese katakana to convert, then review the count and representative changes before copying.