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一款轻量、安全的浏览器扩展，帮你一键高亮网页上的自定义关键词。特别适合信息检索、文档审阅和知识库查阅。

• 🔍 多词同步高亮，黄色背景 + 黑字，清晰醒目
• ⚡ 智能去符号替换，跨标点匹配且不误伤汉字
• 🌐 跨标签高亮，支持加粗 / 换行等复杂页面
• 🎯 通配符 | 匹配，段落内模糊匹配灵活应对不同写法
• 🛡️ 白名单过滤，精准排除干扰词汇
• 📤📥 配置导入 / 导出，一键备份或迁移所有设置
• 🔒 100% 本地运行，无网络请求，绝不收集隐私

A lightweight, secure browser extension that instantly highlights custom keywords on any web page. Ideal for information retrieval, document review, and knowledge base reading.

• 🔍 Multi-keyword highlighting with vivid yellow background + black text
• ⚡ Smart symbol removal that respects Chinese text
• 🌐 Cross-element highlighting across bold / line breaks
• 🎯 Wildcard | matching for flexible fuzzy search within paragraphs
• 🛡️ Whitelist filtering to precisely exclude unwanted words
• 📤📥 Import / Export config as JSON for easy backup or migration
• 🔒 100% local processing, no network requests, zero tracking

一款极简、高效的浏览器悬浮倒计时扩展，支持多标签页独立计时。适合番茄工作法、会议控时或定时休息提醒。

• ⏱️ 一键唤出悬浮窗，可拖拽 / 最小化，不挡视线
• 🔄 多标签页独立计时，互不干扰
• ⚡ 精准后台计时引擎，系统时钟驱动，休眠唤醒后依然准确
• 📌 标签标题实时显示剩余时间 [HH:MM:SS]
• 🔔 时间到系统通知（带「查看」和「延时 5 分钟」按钮）
• 🎵 提示音与独立开关，支持试听
• 🖱️ 点击即开始功能，设置中开启后点击任意按钮即可启动计时
• 🔒 完全离线，数据仅存本地，隐私无忧

A minimalist, efficient floating countdown timer extension with independent per-tab timers. Perfect for Pomodoro, speech timing, or break reminders.

• ⏱️ One-click floating window, draggable / minimizable
• 🔄 Separate timers for each tab, no interference
• ⚡ Precise background engine driven by system clock
• 📌 Tab title shows remaining time as [HH:MM:SS]
• 🔔 Notification with "View" and "Snooze 5 min" action buttons
• 🎵 Alert sound with independent toggle and preview
• 🖱️ Click to Start — enable in settings to start timer by clicking any button
• 🔒 Fully offline, data stored only locally, privacy safe