Free, runs entirely in your browser — no sign-up, no file upload to a server.
What does HTTP Status Code Lookup do?
It looks up the meaning of any HTTP response status code (like 404 or 503).
How do I use it?
Type or select a status code to see its name and a plain-English explanation.
Is my input sent anywhere?
Everything runs in your browser — nothing you type or paste is sent to a server.
How do I report a problem or request a feature for this tool?
Use the Contact / Feedback page — select "HTTP Status Code Lookup" as the related tool so we know exactly which tool you mean, then describe the bug or the feature you'd like to see.