HTTP Header Spy

Shows HTTP headers and site IP for current page

As of May 2026, HTTP Header Spy has 590 users and a 5.00/5 rating from 1 reviews in the Developer Tools category.

Usersup 15.9 percent+15.9%
590
590
Ratingno change0%
5.00
1 reviews
Reviewsno change0%
1
Version
1.0
Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

596.48549.5502.52Apr 1, 2026May 28, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20265095.0011.0
Apr 30, 20265215.0011.0
May 28, 20265515.0011.0
Now5905.0011.0

Permissions & access

Permissions
activeTabscripting
Host access
None declared

Screenshots

HTTP Header Spy screenshot 1HTTP Header Spy screenshot 2

About

HTTP Header Spy is a lightweight Chrome extension that provides instant access to HTTP response headers and IP information for any website you visit. With a single click, this tool reveals the technical details that websites send with each page request.

Features:

- HTTP Header Analysis: View all response headers sent by the website, including content types, caching directives, security policies, and server information

- IP Address Detection: Quickly identify the IP address of the website's server
User-Friendly Interface: Clean, organized display of header information with name-value pairs clearly separated

- One-Click Operation: Access all information with a single button press

- Alphabetically Sorted Headers: Headers are displayed in alphabetical order for easy reference

Use Cases:

- Web Development: Debug HTTP-related issues and verify correct header implementation

- Security Analysis: Check for proper security headers like Content-Security-Policy and X-XSS-Protection

- Performance Optimization: Examine caching headers to improve website load times

- Technical Troubleshooting: Identify server types and configurations during problem-solving

Perfect for web developers, security professionals, and anyone curious about the technical underpinnings of websites they visit.

Technical

Version
1.0
Manifest
V3
Size
7.52KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
jfncaoembjceedhindalbgkdkcamooki
Developer ID
u0101a2a952742693b6e22ef4e7cee4bb
Developer Email
[email protected]
Created
Mar 12, 2025
Last Updated (Store)
Mar 12, 2025
Last Scraped
May 28, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified May 28, 2026.