注册账号
Admin Reply：本站有注册账号功能，注册地址：https://tool.hadsky.com/reg
If you cannot find the required tool on our site, we sincerely invite you to submit your tool requirement and its feature description. After review, tools that meet the requirements will be developed and listed on our site. Please note, we strictly prohibit the submission of any illegal information.
Captcha
IP: 112.97.*.*
电话号码前三后四位查询
Admin Reply：您好，电话号码前3和后4位查询无任何意义，如果只输入中间4位，每个结果会有约200w种可能。
2025-03-13
IP: 120.230.*.*
屏幕坏点检测器，在 iphone 和 safari 运行，不可用
Admin Reply：感谢反馈，该BUG已修复。
Screen Dead Pixel Detector 2025-03-06
IP: 101.26.*.*
能不能给查一下后四位
Admin Reply：自行查询，本站只提供系统计算可能值。
Last 4 digits of ID card inquiry 2025-03-01