Web tools
HTTP Status Codes
Look up HTTP (Hypertext Transfer Protocol) response codes by number or registered name.
Runs locallyRuns locally in your browser
Guide
Type a status number or a word from its registered name. Read the matching names and explanations. This local reference uses a dated copy of the official registry. It never requests the address that produced a code.
- Choose your input
Type a status number or a word from its registered name.
- Read the result
Read the matching names and explanations. This local reference uses a dated copy of the official registry. It never requests the address that produced a code.
- Keep your result
On a phone, select Output. Copy or download only when you want to keep the result.
Access or missing resource?
Search 403 for a server that refuses access. Search 404 for a resource the server could not find. This tool explains the code without contacting the site.
On mobile, choose Output to read the result. Clear removes both fields.
Search
- Number: enter a code such as 404.
- Name: enter part of a registered name such as redirect.
Shortcuts
- Ctrl / Cmd + Enter — Run selected action
- Ctrl / Cmd + Shift + C — Copy output
- Ctrl / Cmd + S — Download output
- ? — Show shortcuts outside text fields
Shortcuts work while focus is in the workspace. Copy and download need valid output.
Common questions
- Where is my input processed?
- In this browser. Input, keys, passwords and results are not stored or sent to a server.
- How do I clear my data?
- Choose Clear to remove entered data and results from this workspace.
- How does processing start?
- Examples update immediately. After typing or changing an option the result updates when you pause.
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