🔟 UTF-8 转十进制字节Convert UTF-8 to Decimal

使用说明与常见问题How-to & FAQ

「UTF-8 转十进制字节」是什么？What is the Convert UTF-8 to Decimal tool?

把文本的 UTF-8 字节写成十进制。本地处理。可设置「每字节一行」。Write UTF-8 bytes as decimal numbers. Processed locally. Settings: One byte per line.

如何使用「UTF-8 转十进制字节」？How do I use the Convert UTF-8 to Decimal tool?

在「UTF-8 转十进制字节」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「72 105」。In the Convert UTF-8 to Decimal: Paste or type into the input box; the result appears below instantly — click "Copy result" to copy it. Example: "Hi" → "72 105".

字节按什么顺序输出？In what order are the bytes written?

按 UTF-8 编码的顺序，一个字符可能占 1–4 个字节，例如「中」是 228 184 173。In UTF-8 encoding order; one character can take 1–4 bytes, for example the euro sign € is 226 130 172.

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

例如在「UTF-8 转十进制字节」中输入 Hi，输出为：72 105。For example, the Convert UTF-8 to Decimal turns the input Hi into: 72 105.

有哪些选项可以调整？What options can I adjust?

「UTF-8 转十进制字节」的设置：可勾选：「每字节一行」。每次生成结果都按当前设置处理。Settings in the Convert UTF-8 to Decimal — tick boxes: "One byte 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 转十进制字节」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 Decimal works fully offline in your browser.

「UTF-8 转十进制字节」免费吗？需要注册吗？Is the Convert UTF-8 to Decimal free? Do I need an account?

「UTF-8 转十进制字节」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 Decimal is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.