Developer
HTTP status code lookup
Look up what any HTTP status code means, from 100 to 511.
Free to use · Runs in your browser · No signup
This tool works in your browser. Enable JavaScript to select files and create your download.
How to use HTTP status code lookup
- Type a status code, a class such as 4xx, or a word like redirect.
- Read the name and meaning of each matching code.
- Use the explanation to debug your request or server.
What you need
Nothing to upload. Type or paste directly into the tool; results update as you go.
Your result
A table of matching status codes and meanings.
Before you start
Covers the standard codes defined in HTTP specifications plus common WebDAV codes. Some services use codes in non-standard ways.
Questions about HTTP status code lookup
How do I use HTTP status code lookup?
Type a status code, a class such as 4xx, or a word like redirect. Read the name and meaning of each matching code. Use the explanation to debug your request or server.
What does HTTP status code lookup produce?
A table of matching status codes and meanings.
What should I check before using HTTP status code lookup?
Covers the standard codes defined in HTTP specifications plus common WebDAV codes. Some services use codes in non-standard ways.
Is what I type sent anywhere?
No. The calculation runs in your browser, and the text or numbers you enter are not uploaded or stored.