Font Checker

Analyze typography in any image. Detect serif, contrast, stroke traits and match to Google Fonts.

Drag & drop or browse

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Preview Sample Text

How it Works

Otsu algorithm auto-finds the perfect binarization threshold

Stroke widths sampled via horizontal & vertical run-length encoding

Coefficient of variation detects serif vs. sans-serif strokes

Fonts scored across 4 weighted traits and ranked by confidence

Click trait badges to override auto-detection manually

Pro Tip

Works best with dark text on white/light backgrounds. If results seem off, click the trait badges to manually toggle them — results update instantly.

Client-Side Only — No Data Ever Sent

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