Full-width / Half-width Converter

Convert Japanese full-width and half-width characters.

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Tool

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What is a Full-Width and Half-Width Converter?

A Full-Width and Half-Width Converter is a tool for converting between full-width characters (commonly used in Japanese environments) and half-width characters.

It is useful for document creation, data entry, and standardizing text formatting in programming and other applications.

How to Use

  1. Enter the text you want to convert into the input field.
  2. Select either "Full-Width to Half-Width" or "Half-Width to Full-Width" and click the convert button.
  3. Advanced options allow you to convert only alphanumeric characters, only Katakana, and more.
  4. Copy and use the converted result as needed.

FAQ

Which characters can be converted?

Alphanumeric characters, common symbols, and Katakana characters can be converted.

How are voiced and semi-voiced Katakana characters handled?

When converting from half-width to full-width, they are properly combined into the corresponding full-width characters.