DiffSpot monitors web pages and notifies you when something changes. Get started for free with no sign-up required — upgrade anytime for more power.
Install from Chrome Web StoreClick on the exact part of a page you want to monitor. No need to write selectors manually.
See exactly what changed with highlighted additions and deletions. Filter by sensitivity or keywords.
Pages are fetched silently using Chrome's Offscreen API. No background tabs opening and disrupting your work.
Your monitored URLs and data stay in your browser on the free plan. No external servers, no tracking.
Only get notified when specific words appear or disappear. Ignore noisy sections like ads and timestamps.
Back up your monitoring jobs and move them between browsers with JSON export/import.
Start free, upgrade when you need more. Cancel anytime.