Full-width ⇄ half-width converter

Fix full-width numbers and letters, or make text full-width.

Free · No sign-up · No watermark

How to use

Paste your text.
Choose the direction.
Copy or download the converted text.

Full-width ⇄ half-width converter

Full-width characters such as ＡＢＣ１２３ are common in Chinese and Japanese typing but are often rejected by forms, spreadsheets and code. This converts letters, digits, ASCII symbols and the ideographic space.

Frequently asked questions

Which characters are converted?

Letters, digits, ASCII punctuation and spaces. Chinese and Japanese characters are left unchanged.

Does it convert Japanese katakana?

No. Half-width katakana conversion is not included.

Is my text sent anywhere?

No. Conversion runs in your browser.

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