HTTP Header Inspector - Response Headers & Status Checker

by Devity · devity.in · Developer Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

View HTTP headers, status codes, CORS & security headers without DevTools. Debug API, XHR/fetch requests instantly.

Users

215

−15 in 30 days

Rating

4.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#62K

#52K among extensions

Version

1.1.0

updated 12 Aug 2026

Users

monthly, 15 months

Latest, 15 Oct 2026: 215 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months

Latest, 15 Oct 2026: 1 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 Header Inspector - Response Headers & Status Checker

Tired of digging through DevTools every time you need to check a website's headers? The HTTP Header Inspector offers a beautifully simple and efficient solution, allowing you to view full HTTP response headers, status codes, and server details directly from your browser's toolbar. This extension is the perfect companion for web developers, SEO analysts, and security researchers. Use it to: Debug API Responses: Quickly check headers to resolve issues with your APIs. Troubleshoot CORS: Instantly see Access-Control-Allow-Origin and other CORS-related headers. Analyze Server Configurations: Understand caching policies, server types, and more at a glance. Key Features: Instant Header Access: Get a full list of response headers with a single click. Clear Status Codes: Immediately see the page's HTTP status. Modern & Readable UI: A clean, dark-themed interface makes data easy to read. Lightweight & Fast: Built for performance, it won't slow your browser down. Install the HTTP Header Inspector today and streamline your development workflow!