Gamepad Tester by Elegant Matter: check buttons and stick drift online
Test a controller's buttons, triggers and sticks in your browser, and measure stick drift with a 5-second test and a full-range sweep. Free.
About Gamepad Tester by Elegant Matter
Gamepad Tester, from the Elegant Matter site, checks a game controller without installing anything. You connect a PlayStation, Xbox, Switch Pro or generic controller, press a button, and a live input map lights up each control as you use it. Buttons you have tried stay marked and triggers keep their peak value, so it is easy to spot one that does not register.
The stick drift test is the most useful part. You let go of both sticks for five seconds and it reports the centre offset, the range that contains 95 percent of the resting samples and the largest value seen, for each stick. The page is careful to say there is no universal pass or fail threshold, because games and firmware handle deadzones differently. A full-range sweep checks the outer edge: push a stick fully out and rotate it slowly, and it shows direction coverage and how far the stick reaches.
It is honest about browser quirks too. Some browsers only expose a controller after you press a button, and if the browser does not report a standard mapping, the automatic layout may be wrong, in which case the raw button numbers are the reliable reference. A deadzone ring is only a visual guide and does not change your controller.
Everything runs in your browser, data stays on your device, and it is free.
Features
- Live input map for PlayStation, Xbox, Switch Pro and generic pads
- 5-second stick drift test with centre offset
- Full-range circularity sweep for each stick
Use cases
- Checking a controller for stick drift before a warranty claim
- Testing a second-hand controller before buying it
- Finding which button has stopped registering
Screenshots
Frequently asked questions
What counts as stick drift?
The page says there is no universal threshold, since games and firmware use different deadzones. It shows the measurements so you can judge.
Why is my controller not showing?
Some browsers only expose a controller after you press a button while the page is visible.
Checked by Shoaib on
What we verified
- Price?
- Free
- Install needed?
- No, runs in the browser
- Controllers?
- PlayStation, Xbox, Switch Pro, generic
- Drift test?
- 5 seconds, centre offset and 95 percent range
- Range test?
- Full circularity sweep
- Data?
- Stays on your device
Plugged in a controller, pressed every button and ran the 5-second drift test on both sticks.
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