What is HTTP Status Code Lookup?
HTTP Status Code Lookup is a comprehensive reference guide for all standard HTTP status codes (1xx Informational, 2xx Success, 3xx Redirection, 4xx Client Error, 5xx Server Error).
How to use HTTP Status Code Lookup
Search by status code number (e.g. 404) or keyword to view detailed status descriptions and troubleshooting tips.
Key features
- Searchable directory of 1xx - 5xx HTTP status codes
- Includes RFC specifications and fix recommendations
- 100% client-side operation
Common use cases
- Quickly looking up unfamiliar API HTTP response status codes
Technical details & standards
Provides structured status code references client-side.
Frequently asked questions
What is the difference between 401 and 403 status codes?
401 Unauthorized means unauthenticated (login required), while 403 Forbidden means authenticated but lacking permissions.
Is my data safe?
All processing happens entirely in your browser. Your data never leaves your device and is never sent to or stored on a server.
Does it work offline?
Yes. Once the page has loaded, most tools keep working without an internet connection.