6️⃣ IPv6 地址展开/压缩IPv6 Expand & Compress
IPv6 地址完整展开与压缩（::），显示地址类型和反向解析 ip6.arpa。Expand or compress IPv6 addresses, show address type and ip6.arpa reverse name.
使用说明与常见问题How-to & FAQ
「IPv6 地址展开/压缩」是什么？What is the IPv6 Expand & Compress?
IPv6 地址完整展开与压缩（::），显示地址类型和反向解析 ip6.arpa。Expand or compress IPv6 addresses, show address type and ip6.arpa reverse name.
如何使用「IPv6 地址展开/压缩」？How do I use the IPv6 Expand & Compress?
在「IPv6 地址展开/压缩」中，填写「IPv6 地址」等参数，结果会随输入实时计算并显示在下方。In the IPv6 Expand & Compress: Fill in "IPv6 address"; results are recalculated instantly as you type.
需要联网吗？Does it need an internet connection?
不需要。「IPv6 地址展开/压缩」的解析和计算都在浏览器本地完成，不会向任何服务器发送请求。No. The IPv6 Expand & Compress parses and calculates entirely in your browser and sends no network requests.
「IPv6 地址展开/压缩」免费吗？需要注册吗？Is the IPv6 Expand & Compress free? Do I need an account?
「IPv6 地址展开/压缩」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 IPv6 Expand & Compress is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.