Check text readability with Flesch-Kincaid, Gunning Fog, SMOG, and Coleman-Liau scores. Shows reading ease level, grade, and sentence/word statistics.
More free utilities you might find useful
Quick answers to common questions
Flesch-Kincaid Reading Ease scores 0-100, higher means easier: 90-100 = Very Easy (5th grade), 80-90 = Easy (6th grade), 70-80 = Fairly Easy (7th grade), 60-70 = Standard (8th-9th grade). Target 60-70 for general audiences, 70+ for consumer content.
Successful blogs target 6th-8th grade level (Flesch score 60-80). Shorter sentences, active voice, and common words increase readability without reducing quality.
Flesch-Kincaid measures reading ease using sentence length and syllables per word — higher score equals easier. Gunning Fog measures grade level using sentence length and complex words (3+ syllables) — lower score equals easier.
Your data is processed entirely in your browser. Nothing is sent to any server.
All analysis runs in your browser. Your text is never sent to any server.