Free browser tool

Full-width / half-width converter

Convert ASCII letters, numbers, symbols, and spaces between full-width and half-width forms.

Input and settings

How to use

Convert ASCII letters, numbers, symbols, and spaces between full-width and half-width forms.

  1. Enter or paste the source data.
  2. Adjust only the options you need.
  3. Run the tool, verify the result, then copy or download it.