DropAlert: Page Monitor, Restock & Appointment Alerts

Watch any page for the exact change you care about and get a loud alert when it happens. No account. Nothing leaves your browser.

Watch any webpage for the exact text, price, or element change you care about, and get a loud audio alarm, a desktop notification, and automatic tab focus the moment a check catches it. 100% Local First. No Account Required. Nothing Leaves Your Browser. Visa appointment slots, driving test cancellations, university course seats, ticket drops, and hardware restocks disappear in minutes. Cloud monitoring tools force you to create accounts, manage complex web dashboards, and pay steep monthly subscriptions just to run frequent checks. DropAlert runs directly inside your Chrome Side Panel while Chrome is open, giving you a clean, distraction free monitor with both Basic and Advanced modes. One Click Quick Presets: Pre configured templates for Appointment Slots ("No appointments available" disappears), Hardware Restocks ("In stock" appears), Price Drops (Price drops below $X), Course Seats ("0 seats available" disappears), and Any Text Change. Basic and Advanced Modes: Keep setup simple with a clean 3 field Basic view, or switch to Advanced mode whenever you need custom check methods and CSS selectors. Dual Page Check Methods: Background Fetch: Quickly checks public product and listing pages in the background without opening extra tabs. Open Tab Reload: Reloads an open watched tab on schedule so you can monitor logged in portals (such as visa scheduling, course registration, or exam booking) using your active browser session. Loud Local Alarms and Auto Focus: Plays a high visibility Web Audio alarm (Urgent Radar Siren, High-Decibel Alarm Bell, or Triple Ascending Chime), displays a persistent desktop notification, and brings the watched tab straight to the front of your screen. Smart False Alert Protection: Optional toggle to ignore dynamic numbers, dates, and timestamps so page clocks or live visitor counters do not trigger false alerts. Local Hit History and Diffs: View before and after text snippets for your last 5 alerts, and export or import your watch list as JSON at any time. Up to 3 Active Watches running on a 5 minute check interval.