Enter a single public host or IP, port and SNI name to inspect TLS 1.3 support, ALPN negotiation, certificate domain, issuer, expiration and verification status.
The report is useful when choosing or auditing a REALITY camouflage target: it highlights h2 ALPN, TLS 1.3, certificate details and warnings, while avoiding CIDR or bulk scanning.
✓The tool runs directly in the browser and is ready for quick checks without installing software.
✓Input can be cleared and recalculated immediately, which is useful for repeated small tasks.
✓Use fullscreen mode when you need more space for long text, structured data or large result blocks.
✓Copy buttons are available on generated output so results can be reused in code, documents or support chats.
✓Most operations are deterministic: the same input and options produce the same output.
✓For sensitive content, prefer local browser tools and review the result before sharing it further.
