Trigger Tester
Connect your controller and squeeze each trigger to test pressure and sensitivity.
What Does the Trigger Tester Check?
The trigger tester checks the analog pressure output of your left and right controller triggers in real time. It uses the browser-based Gamepad API to read trigger axis values and convert them into a 0 to 100 percent pressure reading. This lets you verify whether each trigger is registering correctly, graduating smoothly from idle to full press, and responding without any sudden drops or erratic jumps. It also tracks peak pressure reached during your session and displays a live sensitivity rating so you can spot trigger drift or wear instantly.
Supported Controllers
This tool works with any controller recognized by the Gamepad API in your browser. That includes Xbox One, Xbox Series X and S, PlayStation DualShock 4, DualSense, Nintendo Switch Pro Controller, and most third-party USB gamepads. Wireless controllers connected via Bluetooth or USB dongle are also supported. The tool reads trigger input from standard button index positions used across all major platforms, so compatibility is broad. Chrome and Edge offer the most reliable gamepad detection, though Firefox also supports the API.
How To Use This Tool
Plug in or pair your controller before opening this page, or connect it after and press any button to trigger browser detection. Once the status badge shows Connected, squeeze the left trigger slowly from idle to full press and watch the pressure bar fill in real time. Repeat the same test on the right trigger. Hold each trigger at full press for a moment to let the sensitivity analyzer collect enough data points. The tool will then display your peak value and a sensitivity label for each trigger.
Understanding Your Results
A healthy trigger will show a smooth climb from 0 to 100 percent with no sudden spikes. The sensitivity label will read Responsive when input is stable and consistent. A Sluggish label means the trigger is registering uneven pressure changes between frames, which can affect in-game analog control. Inconsistent or jumpy means large value gaps were detected, pointing to a worn analog mechanism or hardware fault. If the bar stays near 100 percent without input, the trigger may be drifting or stuck, which is a sign of physical damage requiring repair or replacement.
Frequently Asked Questions
Q: Why is my controller not detected by the trigger tester?
A: Most browsers require you to press a button on the controller after connecting it before the Gamepad API activates. Try pressing any face button once the controller is plugged in.
Q: Does this tool work without installing anything?
A: Yes, it runs entirely in your browser using the built-in Gamepad API. No download, extension, or software is needed.
Q: Why does my trigger show less than 100 percent at full press?
A: This usually means the trigger mechanism has worn down or the analog sensor is not calibrated correctly. A consistent peak below 95 percent suggests hardware degradation.
Q: What does the Sluggish label mean?
A: It means the trigger pressure is changing unevenly between readings. This can affect aim or throttle control in games that rely on analog trigger sensitivity.
Q: Can I test both triggers at the same time?
A: Yes, the tool monitors left and right triggers simultaneously and displays independent pressure bars, peak values, and sensitivity ratings for each.
Q: Does this tool work on mobile?
A: Mobile browsers have limited Gamepad API support. For best results, use a desktop or laptop running Chrome or Edge with a wired or Bluetooth controller.
You Might Also Like
You might also like our Analog Stick Tester to check thumbstick accuracy, the Vibration Tester to confirm rumble feedback, and the Xbox Controller Tester to verify all Xbox controller inputs in your browser.