Input (supports multiple lines)
Output
Usage
- Convert Chinese characters to Pinyin initials, supports multi-line processing
- <strong>Uppercase</strong>: Output uppercase initials, e.g. <code>张三</code> → <code>ZS</code>
- <strong>Keep Non-Chinese</strong>: Keep numbers, letters, symbols, etc., e.g. <code>张三 2024</code> → <code>zs 2024</code>