这是什么工具？
The special character remover strips everything except letters (including Korean), numbers, and spaces—removing symbols, emoji, and punctuation.
为什么使用？
Useful when you want to keep only the plain text from copied content or when cleaning data.
如何使用
Paste your text; the result with special characters removed is shown. Copy the result to use elsewhere.
Letters, numbers, and spaces are kept; everything else is removed. Processing is done only in the browser.