
A browser-based malicious npm package detection tool that scans package.json for supply chain threats.
npmscan has 1 plan: a free plan. We last read its pricing page on 4 October 2026. We have not recorded a price change.
npmscan plans and prices
Free
$0
- Scan package.json
- Real-time monitoring
- AI powered threat database
- 2.5M+ packages scanned
- 47K+ threats detected
- 99.8% detection rate
- 150K+ developers protected
- No install, no login, no API keys
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