Tamperowl

by mj4740438@gmail.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

My personal userscript manager

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#274K

#228K among extensions

Version

1.0.0

updated 5 Jul 2026

Users

monthly, 3 months

Latest, 16 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 16 Oct 2026: 0 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 Tamperowl

Tamperowl is a personal userscript manager for Chrome. Features: - Run custom JavaScript on any website - Password-protected dashboard - Add, edit, and delete scripts easily - Enable or disable scripts per site - Strict Mode — lock scripts from editing for a set time period - Export and import script backups - Shows running scripts in the extension popup Note: After installing, go to Extension Details and enable "Allow user scripts" for scripts to run on websites.