Black Frame Detector

detects black / blank frames in any video file · runs entirely in browser

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Drag & drop a video file here

click to browse

Black threshold (0–255) 16

Dark pixel coverage % 98

Analysis speed

Starting…

Total Frames

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Black Frames

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Black Runs

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longest run

Timeline

Analyze a video to see the timeline

Black frame runs 0

Start frame	Start time	End frame	End time	Duration (ms)	Frame count	Avg brightness