HTTP Code Lookup

Look up HTTP status codes instantly

HTTP Status Lookup is a simple Chrome and Microsoft Edge extension that helps users quickly understand HTTP response codes. Enter any valid three-digit HTTP status code, such as 200, 404, or 500, and the extension instantly displays the code’s official name, category, and a clear explanation of what it means. It is useful for developers, testers, students, support teams, and anyone troubleshooting websites or APIs. The extension works from a clean, lightweight popup and does not require users to leave the page they are working on. Key features: Accepts three-digit HTTP status codes Displays the official status name Provides a concise, easy-to-understand description Identifies the response category, such as success, redirect, client error, or server error Supports common and less frequently used HTTP codes Works in both Google Chrome and Microsoft Edge Fast, lightweight, and easy to use