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HTTP Status Codes

Search a free HTTP status code reference in your browser — find any code by number or meaning instantly.

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How to use

  1. Type a status code (like 404) or a word (like "redirect") in the search box.
  2. The list filters as you type, showing every matching code, its name and meaning.
  3. Leave the box empty to browse the full list of common HTTP status codes.

FAQ

What are HTTP status codes?

They are three-digit numbers a web server returns with every response to tell your browser what happened. 2xx means success, 3xx means redirect, 4xx means the request had a problem, and 5xx means the server had a problem.

Is anything uploaded?

No — it runs in your browser. This is a static reference list, so nothing you type is ever sent to a server. It works offline and stays private.

Why does 301 differ from 302?

A 301 is a permanent redirect (search engines move their index to the new URL), while a 302 is temporary (the original URL keeps its ranking). Use 301 when content has moved for good and 302 for short-term moves.