Full-width/Half-width Converter

A full-width/half-width converter provides bidirectional conversion between full-width and half-width characters. This tool enables seamless switching of character formats, where full-width characters occupy two standard character positions, while half-width characters occupy one.

What's the difference between full-width and half-width characters?

1. Full-width characters occupy two bytes, while half-width characters occupy one byte.

Full-width characters (e.g., letters and numbers) occupy the same width as Chinese characters, while half-width characters follow ASCII encoding.

Alphanumeric and character inputs are in half-width (ASCII) mode when no CJK (Chinese/Japanese/Korean) input method is active.

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