Data Description
Privacy policy
Explains how UsefulShelf handles tool inputs and anonymous access statistics.
Tool Input Data
Most tools run locally; network features will be marked on the tool page
Email subscription
This site currently does not offer email subscriptions and will not collect or save email addresses through the footer. If a subscription service is added in the future, this page will be updated first.
Count Events
站点启用后会通过 Umami 和自有运营后台发送匿名访问与事件统计，用于记录页面浏览、搜索是否命中、工具点击、开始使用、复制、下载和错误等行为。自有统计使用本站 HttpOnly 随机标识区分匿名访客和 30 分钟会话，转发前会生成不可逆哈希；不会向运营后台发送 IP、Cookie 原值、搜索词正文或工具输入内容，也不依赖跨站跟踪 Cookie。