🔢 UTF-8 文本转码位Convert UTF-8 to Code Points

使用说明与常见问题How-to & FAQ

「UTF-8 文本转码位」是什么？What is the Convert UTF-8 to Code Points tool?

把文本写成 U+XXXX 码位列表。本地处理。可设置「每码位一行」。Write the text as U+XXXX code points. Processed locally. Settings: One per line.

如何使用「UTF-8 文本转码位」？How do I use the Convert UTF-8 to Code Points tool?

在「UTF-8 文本转码位」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「Hi」，得到「U+0048 U+0069」。In the Convert UTF-8 to Code Points: Paste or type into the input box; the result appears below instantly — click "Copy result" to copy it. Example: "Hi" → "U+0048 U+0069".

表情会输出成两个代理码元吗？Are emoji written as two surrogate units?

不会。输出的是完整码位，例如 😀 是 U+1F600，而不是 UTF-16 的 D83D DE00。No. Whole code points are written, so 😀 is U+1F600 rather than the UTF-16 units D83D DE00.

输入和输出是什么样的？What does the input and output look like?

例如在「UTF-8 文本转码位」中输入 Hi，输出为：U+0048 U+0069。For example, the Convert UTF-8 to Code Points turns the input Hi into: U+0048 U+0069.

有哪些选项可以调整？What options can I adjust?

「UTF-8 文本转码位」的设置：可勾选：「每码位一行」。每次生成结果都按当前设置处理。Settings in the Convert UTF-8 to Code Points — tick boxes: "One per line". The result always uses the current settings.

编码和加密有什么区别？Is encoding the same as encryption?

编码（如 Base64、URL 编码）可直接还原，不提供保密性；加密需要密钥。「UTF-8 文本转码位」的处理全部在本地完成。No. Encoding (Base64, URL…) is reversible by anyone; encryption needs a key. The Convert UTF-8 to Code Points works fully offline in your browser.

「UTF-8 文本转码位」免费吗？需要注册吗？Is the Convert UTF-8 to Code Points free? Do I need an account?

「UTF-8 文本转码位」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 Convert UTF-8 to Code Points is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.