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Nginx Configuration Assistant

Check directive boundaries and common configuration pitfalls locally, with line numbers and explanations.

Local processing
Nginx Configuration Assistant

Input is processed locally in this tab, without automatic saving. Export only data you intend to share.

Scope and usage

What is supported?

Static assistance only. Includes are not opened and modules, files, ports and inherited configuration are not validated. Always run nginx -t in the target environment. Input ≤1 MiB.

Is input saved?

Input is processed locally in this tab, without automatic saving. Export only data you intend to share.

Keep working

HTTP / CORS Checker

Inspect a public URL's status, redirect chain, response headers, CORS policy, caching, and common security headers with HEAD, GET, or OPTIONS.

WebSocket Tester

Connect to ws:// or wss:// endpoints directly from your browser, send text or JSON messages, and inspect timestamped events.

SSL Certificate

Generate a self-signed SSL/TLS certificate for a domain name or IP address with the correct Subject Alternative Name, returned as PEM certificate and private-key files.