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Fullwidth Halfwidth Converter

fullwidth · halfwidth · 全角 · 半角 · 変換

0 chars · Converts ASCII letters, digits, symbols and spaces. Runs entirely in your browser.

How to use

  1. 1

    Choose a direction (full↔half width).

  2. 2

    Enter your text.

  3. 3

    Copy the converted result.

FAQ

Is this tool free?

Yes — no sign-up, no installation, completely free to use right away.

What is this tool?

This tool converts text between full-width and half-width characters. It's especially useful for Japanese and Korean input, tidying up data, or matching a required format. It runs instantly in your browser.

What gets converted?

ASCII letters, numbers, punctuation and spaces. Kanji and kana are left unchanged.