Fullwidth ↔ Halfwidth
Convert fullwidth and halfwidth characters.
How to use
- 选择转换方向：全角转半角或半角转全角。
- 全角转半角覆盖英文字母、数字与常见符号；半角转全角按对称规则生成全角形式。
- 汉字、全角汉字标点在两种方向下都不会被破坏。
- 结果区显示转换前后对比与转换字符数。
FAQ
Does Fullwidth ↔ Halfwidth upload my data?
No. Processing stays in your browser and is not uploaded.
Do I need an account?
No. Open and use — no signup.
How is this different from upload-based tools?
Tools run locally in your browser; content is not sent to our servers for processing.
Are there limits?
Limited by device memory and the browser; very large inputs may slow the page.