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🌐 URL 编码解码URL Encode / Decode
在线 URL 编码（百分号编码）和解码，支持中文和特殊字符。Percent-encode or decode URLs and query strings, including Unicode.
使用说明与常见问题How-to & FAQ
「URL 编码解码」是什么？What is the URL Encode / Decode?
在线 URL 编码（百分号编码）和解码，支持中文和特殊字符。Percent-encode or decode URLs and query strings, including Unicode.
如何使用「URL 编码解码」？How do I use the URL Encode / Decode?
在「URL 编码解码」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 URL Encode / Decode: Fill in or choose the options above and the result appears below instantly; everything runs locally in your browser.
encodeURI 和 encodeURIComponent 的区别？encodeURI vs encodeURIComponent?
完整网址用 encodeURI（保留 :/?& 等）；参数值用 encodeURIComponent（全部编码）。Use encodeURI for whole URLs (keeps :/?&) and encodeURIComponent for parameter values.
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。「URL 编码解码」的处理全部在本地完成。No. Encoding (Base64, URL…) is reversible by anyone; encryption needs a key. The URL Encode / Decode works fully offline in your browser.
「URL 编码解码」免费吗？需要注册吗？Is the URL Encode / Decode free? Do I need an account?
「URL 编码解码」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 URL Encode / Decode is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.