What does axis value -1 mean?

Full deflection in one direction. +1 is the opposite, 0 is centered.

Can I see DPad as buttons or axes?

Depends on the controller. Some report DPad as 4 buttons, others as 2 axes.

Does this support multiple controllers?

Yes: all connected gamepads are listed.

Classic Controller Test

Raw button and axis data: for diagnostics and unknown controller layouts.

โหลดทันที

Connect controller and press any button to wake it
Note your index numbers if mapping for an emulator
Use this view when buttons don't match standard Xbox layout

วิธีใช้

Connect Controller

Plug in via USB or pair via Bluetooth, then press any button.

Read the Tables

Each button index and axis value updates live.

Identify Your Mapping

Use this to map unknown controllers to your own games.

Troubleshooting

This is normal for non-standard controllers
Build a custom mapping using the visible indices
Consider tools like DS4Windows to enforce standard mapping

คุณสมบัติ

Live Button Table

Index, pressed state, value.

Live Axis Table

Each axis with bar visualization.

Raw Data View

Ideal for developers and unknown controllers.

Multi-Controller

All connected gamepads listed simultaneously.

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Why Use the Classic View?

When a controller doesn't map cleanly to the standard Xbox layout, the raw data view shows exactly which numerical index corresponds to which physical input. This is essential for emulator configuration, custom keybindings, and identifying unknown gamepads. Unlike our visual controller tester: which assumes a standard layout and may show wrong labels for non-standard controllers: the classic view makes no assumptions. It simply lists every button index with its current pressed state and value, and every axis with its current value.

Understanding Button Indices

The Gamepad API attempts to standardize button positions: A=0, B=1, X=2, Y=3, LB=4, RB=5, LT=6, RT=7, Back=8, Start=9, L3=10, R3=11, DPad=12-15, Home=16. Controllers reporting the 'standard' mapping follow this convention. Non-standard controllers (older USB gamepads, exotic input devices) report indices in vendor-specific order. The classic view shows the raw indices so you can build your own mapping by pressing each button and noting which index lights up.

Understanding Axis Values

Axes report a continuous value from -1 to +1. Sticks typically use two axes per stick: Left Stick X is usually axis 0, Left Stick Y is axis 1. Right Stick X and Y are axes 2 and 3. Triggers can be reported as a button value (0-1) or as an axis (-1 to 1), depending on the controller and mapping mode. If your trigger doesn't appear in the button table, check the axes: it might be reporting there.

Custom Mapping for Emulators

Most retro game emulators (RetroArch, Dolphin, PCSX2, Cemu) require you to map controller inputs manually. Use the classic view to identify each button's index, then enter those indices in the emulator's input configuration. For controllers that report as multiple devices (Joy-Cons appear as two separate gamepads), the classic view shows each device with its own table, making it easy to identify which is which.

ความเข้ากันได้

ใช้งานได้บนทุกแพลตฟอร์มและเบราว์เซอร์หลัก

อุปกรณ์ / OS	Chrome	Firefox	Safari	Edge
Windows 10/11	✅	✅	:	✅
macOS Ventura+	✅	✅	✅	✅
Android 8+	✅	✅	:	✅
iPhone / iPad (iOS 14+)	✅	:	✅	:
Chromebook	✅	:	:	:
Linux (Ubuntu)	✅	✅	:	✅

คำถามที่พบบ่อย

Higher compatibility: works for any controller, including non-standard layouts.

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