readability
score checker
Flesch‑Kincaid · Gunning Fog · SMOG · Coleman‑Liau · ARI
⚡ real‑time analysis
The quick brown fox jumps over the lazy dog. This simple sentence contains common words. However, readability analysis requires longer passages to be meaningful. The Flesch‑Kincaid grade level formula uses sentence length and syllable count to estimate the educational level required to understand a text. For instance, academic papers often score high on the grade level index.
🔍 complex sentences (>25 words) & hard words (≥3 syllables)
Words shown if they appear in text. Hard words = 3+ syllables.