Headerleaf

by abcdlsj · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Switch grouped request headers without leaving your tab.

Users

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#208K

#174K among extensions

Version

0.2.0

updated 7 Aug 2026

Users

monthly, 3 months

Latest, 21 Oct 2026: 9 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 21 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 Headerleaf

Headerleaf keeps request headers in named profiles. Select a profile, enable the rows you need, and its headers are applied to new browser requests immediately. - Create and rename multiple profiles - Switch the active profile with one click - Add, edit, enable, disable, and delete header rows - Apply headers to fetch, XHR, navigation, scripts, images, WebSockets, and other request types - Store configuration locally in `chrome.storage.local` - Modify requests through the native Manifest V3 `declarativeNetRequest` API Only the selected profile is active. Repeated header keys are de-duplicated, with the last enabled value winning.