Where do I place this configuration file on Linux?

On Ubuntu/Debian, place in /etc/nginx/sites-available/. On CentOS/RHEL/Alpine, place in /etc/nginx/conf.d/.

How do I test my Nginx configuration syntax?

Run "sudo nginx -t" in your terminal to validate syntax before reloading.

Nginx Configuration Generator — Visual Nginx.conf Builder | MiniToolDesk

Architecture Template

Choose your application deployment model

Domain & Routing

Server Name (Domain)

Backend Upstream URL

SSL / TLS Security

Enable SSL / HTTPSForce HTTPS (301)HTTP/2 ProtocolHSTS Preload

Certificate (.pem / .crt)

Private Key (.key / .pem)

Performance & Headers

Gzip CompressionSecurity HeadersWebSocket SupportCORS Headers

nginx.conf Output

# ==============================================================================
# Nginx Configuration for example.com www.example.com
# Generated by MiniToolDesk (100% Client-Side, Zero Server Uploads)
# ==============================================================================

upstream app_upstream {
    server 127.0.0.1:3000;
    keepalive 64;
}

server {
    listen 80;
    listen [::]:80;
    server_name example.com www.example.com;

    # ACME-challenge for Let's Encrypt certificate renewal
    location ^~ /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # Permanent redirect to HTTPS
    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name example.com www.example.com;
    client_max_body_size 16M;

    # SSL & Modern TLS Configuration
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:10m;
    ssl_session_tickets off;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;

    # HSTS (Strict-Transport-Security)
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;

    # Security & Privacy Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # Gzip Compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_min_length 256;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/json
        application/javascript
        application/xml
        application/xml+rss
        image/svg+xml;

    access_log /var/log/nginx/example.com.access.log combined buffer=512k flush=1m;
    error_log /var/log/nginx/example.com.error.log warn;

    location / {
        proxy_pass http://app_upstream;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # WebSocket proxying
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400;
    }

    # Deny access to hidden files (.git, .env, .htaccess)
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}

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How to generate Nginx configurations

1Choose your preset: Reverse Proxy, SPA, Static Site, or PHP-FPM.
2Enter server domain name and upstream backend port or root folder.
3Toggle security switches: Let's Encrypt SSL, HTTP/2, HSTS, and WebSocket.
4Click Copy Config or Download .conf to save directly to your server.

100% Client-Side Privacy

All domain names, server paths, and upstream IPs remain strictly in your browser memory.

Architecture & Privacy

100% Client-Side Generator: Zero server uploads. Internal server IPs, private domains, and path structures remain strictly within your local browser memory.
Battle-Tested Best Practices: Mozilla Modern TLS ciphers, HSTS headers, secure session caching, and protection against dot-file exposure (.git, .env).
Full WebSocket Proxy Support: Automatically injects Upgrade and Connection headers for Socket.io, GraphQL subscriptions, and real-time streams.
SPA History Mode Routing: Ready-to-use try_files $uri $uri/ /index.html fallback for client-side routing in React, Vue, Angular, and Svelte.

Frequently Asked Questions

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