Modify request headers based on URL patterns and groups.
Users
10
−2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#191K
#160K among extensions
Version
1.1.2
updated 4 Aug 2026
Users
monthly, 3 months
Latest, 16 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:3 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 Header Modder
Header Modder: Take total control of your HTTP request headers.
Header Modder is a powerful and intuitive tool designed for developers and testers who need to dynamically modify HTTP request headers. Whether you are working on staging environments, testing APIs, or debugging complex issues, this extension gives you the flexibility to customize your requests in just a few clicks.
Key Features
- Group Management: Organize your header modifications by project or environment (e.g., Staging, Production, Testing).
- URL Filtering: Apply modifications only to specific sites using customizable URL patterns.
- Granular Control: Instantly enable or disable entire groups or individual rules without having to delete them.
- Intuitive Interface: Add, edit, and remove headers (Name, Value, and Comments) via a modern and clean interface.
- Integrated Comments: Document your rules directly within the tool so you never forget why a specific header is in place.
- Import and Export: Easily back up your configurations or share them with your team using the import and export functionality.
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
−2
−16.7%
0
0.00
Chrome Web Store search rankings
Where Header Modder appears when people search the store, with the 30 day change