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中文

↔ Fullwidth-Halfwidth Converter

Convert between fullwidth and halfwidth characters with selective category control, CJK punctuation mapping, and Chinese typography preset

All processing runs locally in your browser. No text is uploaded.

Character Types

Direction

Presets

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Free online fullwidth-halfwidth character converter. Selectively convert letters, numbers, ASCII symbols, CJK punctuation, and spaces between fullwidth and halfwidth forms. Built-in Chinese typography preset, real-time conversion with character composition statistics. All processing runs locally in your browser.