🔤 UTF-8 转 UTF-16Convert UTF-8 to UTF-16

使用说明与常见问题How-to & FAQ

「UTF-8 转 UTF-16」是什么？What is the Convert UTF-8 to UTF-16 tool?

把文本写成 UTF-16 码元十六进制（大端，无 BOM）。本地处理。可设置「每码元一行」、「大写」。Write the text as UTF-16 code units in hex (big-endian, no BOM). Processed locally. Settings: One unit per line, Uppercase.

如何使用「UTF-8 转 UTF-16」？How do I use the Convert UTF-8 to UTF-16 tool?

在「UTF-8 转 UTF-16」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「0048 0069」。In the Convert UTF-8 to UTF-16: Paste or type into the input box; the result appears below instantly — click "Copy result" to copy it. Example: "Hi" → "0048 0069".

表情等辅助平面字符怎么表示？How are emoji and other characters outside the BMP written?

写成两个码元（代理对），例如 😀 是 d83d de00。码元按大端书写，不带 BOM。As two units (a surrogate pair), for example 😀 is d83d de00. Units are written big-endian, without a BOM.

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

例如在「UTF-8 转 UTF-16」中输入 Hi，输出为：0048 0069。For example, the Convert UTF-8 to UTF-16 turns the input Hi into: 0048 0069.

有哪些选项可以调整？What options can I adjust?

「UTF-8 转 UTF-16」的设置：可勾选：「每码元一行」、「大写」。每次生成结果都按当前设置处理。Settings in the Convert UTF-8 to UTF-16 — tick boxes: "One unit per line", "Uppercase". 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 转 UTF-16」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 UTF-16 works fully offline in your browser.

「UTF-8 转 UTF-16」免费吗？需要注册吗？Is the Convert UTF-8 to UTF-16 free? Do I need an account?

「UTF-8 转 UTF-16」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 UTF-16 is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.