local-only

HTTP Status Codes

Look up any HTTP status code and its meaning.

🔒 local memory only
Initializing HTTP Status Codes in local browser environment…

How to use HTTP Status Codes

  1. Type any 3-digit status code (like 404, 502, or 200) into the search box.
  2. Alternatively, filter codes by class (1xx Informational, 2xx Success, 3xx Redirection, 4xx Client Error, 5xx Server Error).
  3. Click any status entry to inspect its official RFC specification, usage recommendation, and meaning.

Why use this local-first tool?

  • Comprehensive index covering every official RFC 9110 status code plus common WebDAV extensions.
  • Instant client-side fuzzy search across codes, names, and descriptions.
  • Color-coded classifications to quickly identify errors versus successful responses.

Frequently Asked Questions

Are unofficial codes like Cloudflare 520 or 521 included?

The reference prioritizes standard IETF RFC status codes used across all web servers and APIs.

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