HTTP Status Codes: guide & how to use

Filter 1xx–5xx codes by category or search by code or phrase. Handy for debugging APIs and writing clients. This guide is part of our guides library in the Developer tools category—Regex, JWT, cron, hashing, HTML entities, SQL formatting, permissions, HTTP reference, and JSONPath—browser-only.

What this tool does

HTTP Status Codes — Searchable reference for standard HTTP status codes. It fits alongside other utilities on AI Tool Hub so you can solve small problems quickly without installing desktop software.

When it helps

Reach for this tool when your work overlaps with topics like: http, status, rest, api, reference. Teams use these utilities for ad hoc checks during development, studying, content drafting, and light business calculations—always double-check critical numbers against your own policies or professionals when stakes are high.

How to use it

1. Open the tool using the button below.
2. Enter or paste your input in the workspace.
3. Review the output and copy or export it for your project.

Common questions

Are unofficial codes listed?

We focus on commonly documented standard codes; vendor extensions may be missing.

Related tools

Pair this workflow with other utilities on the site:

• URL Encoder / Decoder

  Encode or decode URL components and full URIs.
• JSON Formatter

  Format, minify, and validate JSON in the browser.
• Chmod Calculator

  Convert Unix permissions between numeric and symbolic.

Privacy

Like most utilities in this category, HTTP Status Codes runs locally in your browser after the page loads—your content is not sent to our servers for processing.