🔡 大写转小写Uppercase to Lowercase
把文本全部转为小写。本地处理。Convert all text to lowercase. Processed locally.
使用说明与常见问题How-to & FAQ
「大写转小写」是什么？What is the Uppercase to Lowercase tool?
把文本全部转为小写。本地处理。Convert all text to lowercase. Processed locally.
如何使用「大写转小写」？How do I use the Uppercase to Lowercase tool?
在「大写转小写」中，把内容粘贴或输入到上方输入框，结果会实时显示在下方，点击「复制结果」即可复制。例如输入「ABC」，得到「abc」。In the Uppercase to Lowercase: Paste or type into the input box; the result appears below instantly — click "Copy result" to copy it. Example: "ABC" → "abc".
语言？Locale?
使用浏览器默认 locale 的 toLocaleLowerCase。Uses the browser default locale's toLocaleLowerCase.
输入和输出是什么样的？What does the input and output look like?
例如在「大写转小写」中输入 ABC，输出为：abc。For example, the Uppercase to Lowercase turns the input ABC into: abc.
处理大段文本会卡吗？Can it handle long text?
「大写转小写」在浏览器中直接处理，几 MB 以内的文本通常瞬间完成；文本不会离开你的设备。The Uppercase to Lowercase runs in your browser; text up to a few MB is usually processed instantly and never leaves your device.
「大写转小写」免费吗？需要注册吗？Is the Uppercase to Lowercase free? Do I need an account?
「大写转小写」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Uppercase to Lowercase is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.