HTTP Headers icon

HTTP Headers

by Christopher Kalafarski · Developer Tools
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Quickly view HTTP headers for the current page.

Users
10K
0 in 30 days
Rating
4.6 / 5
+0.04 in 30 days
Ratings
11
+1 in 30 days
Store rank
#9,256
#7,948 among extensions
Version
1.1.1
updated 25 Dec 2021

Users

monthly, 3 years
3005,15010KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 10,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
1611Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 11 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 Headers

Display HTTP headers for all requests and responses for the current page. HTTP Headers is a lightweight extension that contains no third-party libraries and no user tracking. It is designed to allow you to quickly review status codes and headers for the requests that Chrome makes and the responses it receives. Headers are always listed alphabetically, and very long values are truncated to a single line until you hover over them with your mouse, to keep the list easy to read. Descriptions of common headers are included to help you understand what each one does. Clicking on a value will copy that header to the clipboard in the standard HTTP header format. The extension's icon will display a badge indicating either the status code of the response, or the total number of requests the browser made, including redirects. The color of the badge always indicates the status of final response. This extension is open source and the source code is available at https://github.com/farski/http-headers-crx

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%+1+0.04
6 months+1,000+11.1%+1+0.04
1 year+3,000+42.9%+2+0.08

Chrome Web Store search rankings

Where HTTP Headers appears when people search the store, with the 30 day change
Search phrasePosition30 days
header#6−1
response#76−33
source code#84−31

Version history

2 versions recorded
1.1.124 Dec 2021
1.0.017 May 2017

Details

Category
Developer Tools
First seen
17 May 2017
Size
107 KB
Languages
en
Pricing
Free
Extension ID
jphpailopmbbpdaakikbhfhknieachbj

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
storagewebRequest
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

Alternatives to HTTP Headers

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users