Analyze text readability with Flesch, Flesch-Kincaid, SMOG, Coleman-Liau, ARI, and Gunning Fog scores. This Readability Checker is part of our free content tools collection on freetoolstouse. It runs entirely in your browser, so your files and inputs stay on your device unless the tool explicitly performs a network check (for example DNS or SSL lookups). There is no signup, no watermark, and no usage cap. Use it whenever you need a fast, accurate result without installing software.
Analyze text readability with Flesch, Flesch-Kincaid, SMOG, Coleman-Liau, ARI, and Gunning Fog scores.
Scores use standard English readability formulas. Higher Flesch Reading Ease means easier text; grade-level scores estimate U.S. school reading levels. Analysis runs entirely in your browser.