Font Detection

Detect which fonts are installed on your system with detailed font family and style info.

System Detection · ToolBox

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Detect your browser type, version, rendering engine, and installed plugins and features.

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View detailed screen resolution, color depth, pixel ratio, and available window dimensions.

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Analyze your display's color bit depth, gamut support, and HDR capabilities.

OS Detection

Identify your operating system, version, architecture, and platform details from browser signals.

Hardware Detection

Detect local hardware specifications including CPU cores, memory, GPU, and device type.