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Monitor domain expiration and SSL certificate validity locally Domain & SSL Watcher helps you stay ahead of domain renewals and SSL certificate expirations — without sending your data to a third-party server. Add the domains you care about and get a clear dashboard of expiry dates, remaining days, and risk status. The extension runs checks locally in your browser and stores your list on your device. Why install Domain & SSL Watcher? • Dual monitoring — Track both domain registration expiry and SSL certificate validity in one place • At-a-glance dashboard — See normal, warning, urgent, expired, and SSL issue counts instantly • Automatic scheduled checks — Set your preferred check interval and let the extension run in the background • Desktop notifications — Get alerted when something needs attention • CSV export — Download reports for audits, clients, or internal records • Privacy-first — No account required for free features; domain list and settings stay local • English & Chinese UI — Switch language in Settings Free plan: Up to 10 domains, scheduled checks, notifications, CSV export Pro plan: Unlimited domains, ad-free, batch import, Webhook alerts (Slack / Discord / Feishu / Telegram), custom alert thresholds How it works: Add domains → Review Dashboard & Domains → Configure alerts in Settings Who is this for? Developers, DevOps, freelancers, agencies, and anyone managing multiple websites Permissions: Storage (local settings), Alarms (scheduled checks), Notifications (alerts), Host access (public RDAP/SSL expiry lookups only — no page content collected) Pro subscription is optional via ExtensionPay. Subscribe or restore from Settings.
Jul 14, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.