📎 MIME 类型查询MIME Types Lookup
常见文件扩展名与 MIME 类型（Content-Type）对照表，可按扩展名或类型搜索。Look up MIME types (Content-Type) for common file extensions, searchable.
使用说明与常见问题How-to & FAQ
「MIME 类型查询」是什么？What is the MIME Types Lookup?
常见文件扩展名与 MIME 类型（Content-Type）对照表，可按扩展名或类型搜索。Look up MIME types (Content-Type) for common file extensions, searchable.
如何使用「MIME 类型查询」？How do I use the MIME Types Lookup?
在「MIME 类型查询」中，在上方填写或选择所需内容，结果会实时显示在下方；所有处理都在浏览器本地完成。In the MIME Types Lookup: Fill in or choose the options above and the result appears below instantly; everything runs locally in your browser.
代码或数据会被上传吗？Is my code or data uploaded?
不会。「MIME 类型查询」完全用 JavaScript 在本地运行，适合处理含有密钥、内部接口等敏感内容的数据。No. The MIME Types Lookup runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.
「MIME 类型查询」免费吗？需要注册吗？Is the MIME Types Lookup free? Do I need an account?
「MIME 类型查询」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 MIME Types Lookup is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.