Frank - Header Injector icon

Frank - Header Injector

by Graycode Systems · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Injects custom headers into requests for specific domains.

Users
86
+12 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#89K
#74K among extensions
Version
1.1.1
updated 27 Mar 2026

Users

monthly, 1 years
04693Apr 2025Feb 2026Oct 2026
Latest, 16 Oct 2026: 86 usersMove the mouse over the chart for any month

Ratings count

monthly, 1 years
001Apr 2025Feb 2026Oct 2026
Latest, 16 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 Frank - Header Injector

Easily inject custom HTTP request headers for specific websites or domains with Frank. - Frank lets you add keys manually or add Bearer tokens by choosing a .txt file on your device. - Use Settings to change Auto Reload criteria for when you make changes to headers or URLs. - Enable/disable Franks functionality globally within the extension itself for complete control. This is useful for working with or testing APIs that require authentication via headers like Bearer tokens, Basic Auth, API Keys, or completely custom headers.

Growth

WindowUsersChangeRatingsRating
7 days+7+8.9%00.00
30 days+12+16.2%00.00
6 months−9−9.5%00.00
1 year+48+126.3%00.00

Chrome Web Store search rankings

Where Frank - Header Injector appears when people search the store, with the 30 day change
Search phrasePosition30 days
header#96−27

Version history

2 versions recorded
1.1.127 Mar 2026
1.1.021 Apr 2025

Details

Category
Developer Tools
First seen
21 Apr 2025
Size
158 KB
Languages
en
Pricing
Free
Extension ID
pdhajbkdlgfjngclmoihnepcpnfpbdcn

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storagedeclarativeNetRequesttabs
Site access
<all_urls>
Can read and change data on every website you visit.

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