HTTP Status Codes

A searchable reference of every HTTP status code from 1xx to 5xx, with clear explanations of what each one means and when it is used — the fast lookup you keep open while debugging.

Runs entirely in your browser — nothing is uploaded.

About HTTP Status Codes

A searchable reference of every HTTP status code from 1xx to 5xx, with clear explanations of what each one means and when it is used — the fast lookup you keep open while debugging.

  • Browse and search all standard HTTP status codes by number or name.
  • Each code includes a plain-English description and its category.
  • Filter instantly as you type — no network request needed.

HTTP Status Codes is part of Upwwards Tools, a free collection of browser-based utilities built by the team at Upwwards. Like the rest of the suite, it's free, requires no sign-up, and keeps your data on your device.

Frequently asked questions

What is HTTP Status Codes?
A searchable reference of every HTTP status code from 1xx to 5xx, with clear explanations of what each one means and when it is used — the fast lookup you keep open while debugging.
Is HTTP Status Codes free to use?
Yes — HTTP Status Codes is completely free with no sign-up, account or usage limits. It is part of the free Upwwards Tools collection built by Upwwards.
Is my data private when I use HTTP Status Codes?
HTTP Status Codes runs entirely in your browser. Everything you enter or upload is processed locally on your device and is never sent to a server, stored or logged.
Do I need to install anything to use HTTP Status Codes?
No. HTTP Status Codes works instantly in any modern web browser on desktop or mobile — there is nothing to download or install.