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Nginx config formatter

Format supported Nginx configuration tokens while preserving quoted content and checking balanced structure.

Quoted and escaped content stays intact. Configuration is never executed.

Formatted configuration
4Directives
3Blocks
11Lines
Nginx output preview
# Local formatting example
http {
  server {
    listen 80;
    server_name example.test;
    location / {
      root /var/www/html;
      index index.html;
    }
  }
}
Processed on your device

How it works & useful details

How it works & supported syntax

Formats a conservative Nginx token subset: semicolon directives, brace blocks, quoted strings, escapes, ${variable} references and standalone comments. It preserves the ordered token content while normalizing whitespace outside tokens. Inline comments after completed directives move onto their own lines.

Comments inside unfinished directives, unquoted brace quantifiers, embedded scripting blocks and unbalanced syntax are rejected. Quote regexes containing braces before use. Limits:100,000 input characters, 20,000 tokens, 32 nested blocks and 250,000 output characters. This is not nginx -t; directive names, contexts, files and module behavior are not validated.

Local workspace

Your input stays in this page. These tools calculate or process text; they do not run commands, start containers, contact servers or change settings on your device.

Previews pause above 20,000 combined characters. Use the action to process the full supported input. Exports contain the complete result within the tool’s stated limits.