Latest, 16 Oct 2026:4 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About HTTP Code Lookup
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