🧬 UTF-8 转 Base64Convert UTF-8 to Base64

使用说明与常见问题How-to & FAQ

「UTF-8 转 Base64」是什么？What is the Convert UTF-8 to Base64 tool?

把文本按 UTF-8 编码成 Base64。本地处理。Encode text as UTF-8 Base64. Processed locally.

如何使用「UTF-8 转 Base64」？How do I use the Convert UTF-8 to Base64 tool?

在「UTF-8 转 Base64」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「SGk=」。In the Convert UTF-8 to Base64: Paste or type into the input box; the result appears below instantly — click "Copy result" to copy it. Example: "Hi" → "SGk=".

和「Unicode 转 Base64」有什么区别？How is this different from Unicode to Base64?

算法相同：都先把文字编码成 UTF-8 字节，再转 Base64，结果一样。本页属于 UTF-8 工具组，方便和其他 UTF-8 工具一起使用。The algorithm is the same: the text is encoded as UTF-8 bytes and then as Base64, so the results match. This page belongs to the UTF-8 tool group.

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

例如在「UTF-8 转 Base64」中输入 Hi，输出为：SGk=。For example, the Convert UTF-8 to Base64 turns the input Hi into: SGk=.

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 Base64」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 Base64 works fully offline in your browser.

「UTF-8 转 Base64」免费吗？需要注册吗？Is the Convert UTF-8 to Base64 free? Do I need an account?

「UTF-8 转 Base64」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 Base64 is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.