English Reading Level · CSAT Grade Mapping
Paste any English passage — we calculate Flesch-Kincaid, SMOG, Gunning Fog, Coleman-Liau, and Dale-Chall, then map them onto Korean CSAT bands, TOEIC RC, CEFR (A1-C2) and Lexile. Everything runs in your browser — no text is ever sent to a server.
6,691 CEFR words bundled
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※ CSAT, TOEIC, and Lexile mappings are public-formula estimates and may vary by ±1 band.
Paste a passage above or load a sample to begin.