Full-width Half-width Converter

Why Do You Need a Full/Half-Width Converter

Full-width and half-width are two character width conventions. Chinese input methods often produce full-width characters, while programs, databases and web pages usually require half-width. Mixing them causes validation failures, layout issues and runtime errors. This tool converts full-width and half-width characters with selectable scope.

Core Features Explained

1. Full-width to half-width: Converts full-width characters to half-width.
2. Half-width to full-width: Converts half-width characters to full-width.
3. Scope: Choose whether to convert numbers, letters or punctuation only.

How to Use the Converter

1. Enter or paste text into the left input box.
2. Choose the conversion direction.
3. Select the character scope (numbers/letters/punctuation).
4. Click "Convert" to see the result.