Run configurable Gremlins.js monkey testing with detailed activity logging on any page.
Users
44
+3 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#114K
#95K among extensions
Version
1.0.0
updated 16 Mar 2026
Users
monthly, 7 months
Latest, 16 Oct 2026:44 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 16 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 ChaosMonkey Tester
ChaosMonkey Tester
ChaosMonkey Tester turns your browser into a powerful chaos testing tool for the web.
It runs automated Gremlins.js monkey testing on any website you visit, simulating unpredictable user behavior to uncover UI bugs, crashes, and edge cases before your users do.
Simulate real user chaos
Executes hundreds of random user-like actions including clicks, scrolls, typing, form inputs, and touch events
Stress-tests web applications under unpredictable interaction patterns
Flexible test configuration
Set a custom test duration in seconds
Start and stop chaos testing anytime
Live testing insights
Real-time statistics showing:
Total actions executed
Clicks
Inputs
Scrolls
DOM changes
JavaScript errors
Detailed activity logging
Every action is recorded with:
Timestamp
Element selector
Coordinates
Event details
DOM change tracking
Automatically captures DOM snapshots before and after each run
Helps identify UI changes and unexpected state mutations
Exportable test reports
Generate a comprehensive JSON report including:
Metadata
Test statistics
Action logs
DOM snapshots
The report automatically downloads when the test run completes
👨💻 Who Should Use ChaosMonkey Tester?
This extension is designed for:
Frontend Engineers stress-testing UI behavior
QA Engineers validating application robustness
Developers identifying hidden bugs and edge cases
Teams practicing chaos engineering for web interfaces
🧪 How to Use
Open the website you want to test
Click the ChaosMonkey Tester extension icon
Set the test duration
Click Start Chaos
Watch the live stats and activity log as actions run
When the test completes, the JSON report downloads automatically
You can then analyze the report to identify errors, UI instability, or unexpected DOM behavior.
⚠️ Important Note
Use this extension only on websites you own or have permission to test.
Automated interactions may trigger anti-bot protections or rate limiting on some sites.