HTTP Status Code Lookup
Look up HTTP status codes by number or name. See meanings, usage, and copy codes instantly.
About HTTP status codes
HTTP response status codes indicate whether a request succeeded or failed. They are grouped into classes: 1xx (informational), 2xx (success), 3xx (redirection), 4xx (client error), and 5xx (server error). This tool helps you look up any standard code and its meaning.
Frequently asked questions
What is HTTP status code 404?
404 Not Found means the server cannot find the requested resource. The URL may be wrong or the resource was removed.
What is the difference between 401 and 403?
401 Unauthorized means authentication is required or failed. 403 Forbidden means the server understood the request but refuses to authorize it (e.g. insufficient permissions).
What does 500 Internal Server Error mean?
500 means the server encountered an unexpected condition and could not fulfill the request. Check server logs for the cause.
Is this tool free and private?
Yes. The tool runs entirely in your browser. No data is sent to any server. No registration required.
Added Feb 22, 2026
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