System & Hardware Tools
Test hardware and inspect devices without installing anything: check gamepads, read monitor EDID or talk to microcontrollers via Web Serial.
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All tools in this category
System
Controller Tester
Supports PlayStation (PS5, PS4), Xbox (Series, One, 360), Nintendo Switch, and generic USB/Bluetooth gamepads.
System
Device Info
Displays detailed information about your current device, browser, screen, and more.
System
EDID Viewer
Decode and analyze 128 byte EDID binary data to view supported timings, texts, and settings.
System
Random Generator
Well, the name pretty much says it all, right?
System
Serial Terminal
Free web-based Serial Terminal and serial monitor directly in your browser. Connect via Web Serial API to any COM port, USB-UART adapter, or serial interface, send commands, and analyze data in real time without installation.