ChangeNotifier

About

ChangeNotifier extension lets you monitor any website for changes directly from your browser — select elements visually, record automation steps, and get notified via email, Slack, Discord, or webhooks (requires a ChangeNotifier account at changenotifier.com).

With the Chrome extension, you can set up monitors without leaving the page you're browsing:

  HOW IT WORKS
  1. Browse to any website
  2. Click the extension icon
  3. Hover and click to select the element you want to track
  4. Set your check frequency and notification preferences
  5. Done — your monitor starts immediately

  KEY FEATURES
  • Visual element picker — select exactly what to monitor with point-and-click, no CSS or XPath knowledge needed
  • Automation recording — record clicks, scrolls, and form fills to navigate past cookie banners, login screens, or multi-step flows
  • Flexible check intervals — from every 5 minutes to once a day
  • Multiple notification channels — email, Slack, Discord, and webhooks
  • Screenshot & text comparison — visual diff overlays and side-by-side text changes
  • AI-powered summaries — get a plain-language summary of what changed
  • Keyword & AI conditions — only get notified when specific words appear or custom AI conditions are met

  USE CASES
  • Track competitor pricing and product availability
  • Monitor job boards for new postings
  • Watch government or regulatory pages for policy updates
  • Get notified when sold-out products come back in stock
  • Track changes to terms of service or legal documents

  Everything syncs with your ChangeNotifier dashboard where you can manage monitors, view change history, and compare snapshots.

  Requires a ChangeNotifier account (free signup at changenotifier.com).