HTTP Header Spy

HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.

HTTP Header Spy - Inspect Headers & Cookies with Ease

"HTTP Header Spy" is a comprehensive Chrome extension designed to simplify the process of inspecting HTTP headers, cookies, and response times. It automatically shows this information right after a webpage loads, eliminating the need to manually open the page inspector tool. It also offers a raft of advanced features including auto-hide panels, tracking IP, viewing XHR and sub-frame requests, monitoring of redirect paths, inspection of form data and get parameters, and header filter options, among others. It also includes customization features such as position controls, color themes, and highlight options.
Install from Chrome Web Store

Extension stats

Manifest V2
Users: 10,000+
Rating: 3.79
(62)
Version: 2.0.49 (Last updated: 2018-09-26)
Creation date: 2018-09-26
Permissions:
  • http://*/*
  • https://*/*
  • tabs
  • activeTab
  • storage
  • webRequest
Size: 152.58K
URLs: Website
Full description: See detailed description

Other platforms

Not available on Android
HTTP Header Spy (v2.0.49)
323 4.83 (6)
Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • micro mode is awesome
  • very good and works great
  • pretty useful extension
  • fantastic addon - very simple and helps a lot when debugging redirects
  • great tool for displaying a specific header in a small non intrusive way
Cons
  • asking too much for doing so less
  • HTTP/2 not supported
  • recent updates have introduced annoyances like buy messages
  • limited usability after recent updates
  • Google-translated texts look weird
Most mentioned
  • micro mode
  • recent update issues
  • annoying buy messages
  • great utility for debugging
  • privacy concerns
User reviews
micro mode is awesome
by Elvin Aslanov, 2022-02-09

very good and works great
by Furkan Ali, 2021-11-27

Nice Extension
by Lakshitha Wickramage, 2021-06-30
View all user reviews

Extension safety

Risk impact

HTTP Header Spy requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of HTTP Header Spy. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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  • Good **** ********* *** **** **** *******
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Promo images

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