AI Tools

Confusion Matrix

Build confusion matrices with precision, recall, F1, and heatmap visualization.

Actual,Predicted (one pair per line)

Confusion Matrix

Normalized

	Predicted
	cat	dog	bird
Actualcat	2	1	0
dog	1	3	0
bird	1	0	2

Overall Metrics

Accuracy

70.0%

Macro F1

70.7%

Weighted F1

71.1%

Per-Class Metrics

Class	Precision	Recall	F1 Score	Support
cat	50.0%	66.7%	57.1%	3
dog	75.0%	75.0%	75.0%	4
bird	100.0%	66.7%	80.0%	3

Confusion Matrix: Build confusion matrices with precision, recall, F1, and heatmap visualization. Runs entirely in your browser — paste your input, get instant output, nothing is uploaded.

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🔒 This tool runs entirely in your browser. No data is sent to any server.