🔐 Base64 编码解码Base64 Encode / Decode

在线 Base64 编码和解码工具，完整支持中文 UTF-8。Online Base64 encoder and decoder with full UTF-8 support.

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使用说明与常见问题How-to & FAQ

「Base64 编码解码」是什么？What is the Base64 Encode / Decode tool?

在线 Base64 编码和解码工具，完整支持中文 UTF-8。Online Base64 encoder and decoder with full UTF-8 support.

如何使用「Base64 编码解码」？How do I use the Base64 Encode / Decode tool?

在「Base64 编码解码」中，先在上方输入或粘贴内容，然后点击「编码」、「解码」按钮即可。In the Base64 Encode / Decode: Type or paste your input above, then click "Encode", "Decode".

Base64 是加密吗？Is Base64 encryption?

不是，Base64 只是编码，任何人都能解码，不能用来保护敏感信息。No. Base64 is an encoding anyone can reverse; don't use it to protect secrets.

支持中文吗？Does it support Chinese?

支持，文本按 UTF-8 编码处理。Yes, text is handled as UTF-8.

「Base64 编码解码」免费吗？需要注册吗？Is the Base64 Encode / Decode free? Do I need an account?

「Base64 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 Base64 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.