Diagnostics Lab
Free Controller Testing Tools
Professional-grade diagnostics for your gamepad — no downloads, no signup. Works with PS5, Xbox, Switch, and PC controllers directly in your browser.
6+Diagnostic Tools
100%Free Forever
0Downloads Needed
Featured Tool
Most Popular
Stick Drift Test
Detect analog stick drift in real time. Move your sticks and watch the live coordinate visualizer — any drift away from center is flagged instantly. Essential for diagnosing PS5, Xbox, and Switch controllers.
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All Diagnostic Tools
Input Latency
Polling Rate Test
Measure how many times per second your controller sends input — in real-time Hz. Wired vs wireless comparison included.
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Haptic Feedback
Vibration Motor Test
Test left and right rumble motors independently. Set intensity, duration, and use presets like Heartbeat, Explosion, and Pulse.
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Stick Accuracy
Controller Calibration
Check analog stick deadzone, trigger travel, and button response accuracy. Fine-tune your controller performance.
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Drift Detection
Stick Drift Guide
Learn how to check for controller stick drift online and get step-by-step guidance on fixing it.
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Full Diagnostics
Gamepad Button Tester
Test every button, trigger, D-pad, and stick on your controller. Live visual feedback shows exactly which inputs register.
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Zone Analysis
Dead Zone Checker
Visualize your controller's stick deadzone in real time. Spot oversized deadzones that slow your aim and reaction time.
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