Browser extension for webmasters to monitor domain reputation via the VirusTotal API.
- Watchlist with scheduled background checks (12h to 7 days)
- Badge indicator on the extension icon for every site
- Current Site inspector with verdict, stats, WHOIS info
- Bulk add domains from text, URLs, or mixed input
- Smart Check with configurable rescan policy
- False positive dispute workflow with 60+ vendor contacts
- Per-vendor dispute templates and AI prompts
- Pause mode to conserve API quota
- Exclude list for noisy domains
- IDN support (Unicode display, punycode in tooltips)
- Dark, light, and auto theme
- Chrome, Edge, and Firefox support
- Install the extension from your browser's store
- Get a free API key from VirusTotal
- Enter the key in the welcome wizard
- Add your first domain
npm install
npm run dev # Chrome dev build
npm run dev:firefox # Firefox dev build
npm run dev:edge # Edge dev build
npm run build # Chrome production
npm run build:firefox
npm run build:edge
npm run zip:all # All browser zips
npm run check # TypeScript + ESLint- WXT (Web Extension Tools)
- TypeScript (strict)
- Vanilla DOM (no frameworks)
- Zero runtime dependencies
The extension only communicates with the official VirusTotal API using your own key. No analytics, no telemetry, no third-party services. See PRIVACY.md.