JA4 / JA3 Fingerprint Decoder
Paste a JA4 string, raw JA3, or JA3 hash. The format is detected automatically and matched against a known-fingerprint database.
Paste a fingerprint above to decode and classify it.
Classification
Awaiting input…
Known fingerprints (34)
- Google Chrome 120 (Windows)BrowserBenign
- Microsoft Edge 120BrowserBenign
- Mozilla Firefox 121BrowserBenign
- Apple Safari 17 (macOS)BrowserBenign
- Google Chrome 119 (Android)BrowserBenign
- Google Chrome (generic)BrowserBenign
- Mozilla Firefox (generic)BrowserBenign
- Tor BrowserBrowserLow
- Apple Safari (generic)BrowserBenign
- GooglebotBotLow
- BingbotBotLow
- ClaudeBot / Anthropic crawlerBotLow
- curlLibraryMedium
- Cobalt Strike (default malleable profile)MalwareCritical
- python-requests / urllib3LibraryMedium
- Go net/http clientLibraryMedium
- Go net/http (generic)LibraryMedium
- Java (JDK HttpsURLConnection)LibraryMedium
- OkHttp (Android)LibraryLow
- wgetLibraryMedium
- Node.js (undici/fetch)LibraryLow
- Nmap (ssl-enum-ciphers)ScannerHigh
- NiktoScannerHigh
- sqlmapScannerCritical
- masscan (TLS mode)ScannerMedium
- AcunetixScannerHigh
- OWASP ZAPScannerHigh
- Generic minimal scannerScannerMedium
- Metasploit (Meterpreter HTTPS)MalwareCritical
- TrickbotMalwareCritical
- EmotetMalwareCritical
- AsyncRATMalwareCritical
- Chrome via TLS-fragmentation proxyBotMedium
- Cloudflare WARP clientLibraryLow