Chaos Frontend Toolkit

by Thibaud Courtoison · Developer Tools

FeaturedManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

A set of tools to break your web apps and, in doing so, find ways to improve them.

Users

265

−12 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#56K

#47K among extensions

Version

1.0.0

updated 12 Dec 2021

Users

monthly, 3 years

Latest, 15 Oct 2026: 265 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 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 Chaos Frontend Toolkit

"Chaos Engineering is the discipline of experimenting on a system in order to build confidence in the system’s capability to withstand turbulent conditions in production." Even though it is usually applied to infrastructure, we can use Chaos Engineering principles on the front end part of our web applications. Network, Timers, History, Accessibility, Localization, Inputs: This web extension bundles tools intended to break your apps.