Stimulus DevTools

by Robin Simonklein · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

A developer tool for inspecting and debugging Stimulus applications.

Users

201

−13 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#63K

#53K among extensions

Version

0.4.2

updated 14 Aug 2024

Users

monthly, 2 years

Latest, 15 Oct 2026: 201 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 15 Oct 2026: 5 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 Stimulus DevTools

The Stimulus DevTools Chrome Extension is an open-source tool designed to simplify the process of debugging Stimulus on a web page. It provides a user-friendly interface for inspecting values, targets, outlets, and classes of Stimulus controllers, all directly from Chrome's DevTools. Usage : - Open the Chrome devtools on your page - Go to the Stimulus tab