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🏛️ 凯撒密码加解密Caesar Cipher
在线凯撒密码加密解密，可自定义位移，并可一键列出全部 25 种暴力破解结果。Caesar cipher encoder/decoder with custom shift and brute-force all 25 shifts.
使用说明与常见问题How-to & FAQ
「凯撒密码加解密」是什么？What is the Caesar Cipher?
在线凯撒密码加密解密，可自定义位移，并可一键列出全部 25 种暴力破解结果。Caesar cipher encoder/decoder with custom shift and brute-force all 25 shifts.
如何使用「凯撒密码加解密」？How do I use the Caesar Cipher?
在「凯撒密码加解密」中，把内容粘贴或输入到上方输入框，按需设置「位移」，结果会实时显示在下方，点击「复制结果」即可复制。例如输入「Hello, World」，得到「Khoor, Zruog」。In the Caesar Cipher: Paste or type into the input box, adjust "Shift"; the result appears below instantly — click "Copy result" to copy it. Example: "Hello, World" → "Khoor, Zruog".
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。「凯撒密码加解密」的处理全部在本地完成。No. Encoding (Base64, URL…) is reversible by anyone; encryption needs a key. The Caesar Cipher works fully offline in your browser.
「凯撒密码加解密」免费吗？需要注册吗？Is the Caesar Cipher free? Do I need an account?
「凯撒密码加解密」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 Caesar Cipher is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.