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🔤 ASCII 转 HTML 实体Convert ASCII to HTML Entities
把文本里的特殊字符转成 HTML 实体（&#…; 或命名实体）。可设置「模式」。Turn special characters into HTML entities (&#…; or named). Settings: Mode.
使用说明与常见问题How-to & FAQ
「ASCII 转 HTML 实体」是什么？What is the Convert ASCII to HTML Entities tool?
把文本里的特殊字符转成 HTML 实体（&#…; 或命名实体）。可设置「模式」。Turn special characters into HTML entities (&#…; or named). Settings: Mode.
如何使用「ASCII 转 HTML 实体」？How do I use the Convert ASCII to HTML Entities tool?
在「ASCII 转 HTML 实体」中，按需设置「模式」等选项，然后点击「转换」、「复制」按钮即可。In the Convert ASCII to HTML Entities: Set "Mode", then click "Convert", "Copy".
文本会上传吗？Is my text uploaded?
不会，转换全部在浏览器内完成，内容不会发送到服务器。可以选择数字实体（如 <）或命名实体（如 <）两种形式。No. The conversion runs entirely in your browser and nothing is sent to a server. You can choose numeric entities (such as <) or named ones (such as <).
有哪些选项可以调整？What options can I adjust?
「ASCII 转 HTML 实体」的设置：「模式」可选 仅 ASCII 特殊字符、命名实体优先、全部码位（默认 仅 ASCII 特殊字符）。每次生成结果都按当前设置处理。Settings in the Convert ASCII to HTML Entities — "Mode": ASCII specials, Named first, All code points (default ASCII specials). 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。「ASCII 转 HTML 实体」的处理全部在本地完成。No. Encoding (Base64, URL…) is reversible by anyone; encryption needs a key. The Convert ASCII to HTML Entities works fully offline in your browser.
「ASCII 转 HTML 实体」免费吗？需要注册吗？Is the Convert ASCII to HTML Entities free? Do I need an account?
「ASCII 转 HTML 实体」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 ASCII to HTML Entities is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.