Readability Score Checker
Free AnalyzeCalculate readability scores including Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, and ARI.
Ready to Analyze
Paste your text and click "Analyze Readability" to get 7 readability scores instantly.
Analyzing readability...
Flesch Reading Ease
Flesch-Kincaid Grade
Grade LevelGunning Fog Index
Grade LevelSMOG Index
Grade LevelColeman-Liau Index
Grade LevelAutomated Readability
Grade LevelDale-Chall Readability Score
Vocabulary-based readability using familiar words list
Grade Level Visualizer
Text Statistics
Reading Time Estimate
Sentence Complexity
Improvement Suggestions
Everything You Need
Powerful features designed to make your text work easier and faster.
Flesch Reading Ease
Classic 0–100 readability score with interpretation labels from "Very Confusing" to "Very Easy".
Flesch-Kincaid Grade
Grade level needed to understand the text, widely used in education and publishing.
Gunning Fog Index
Estimates years of formal education needed based on sentence length and complex words.
SMOG Index
Simple Measure of Gobbledygook — predicts grade level using polysyllabic word count.
Coleman-Liau Index
Character-based readability formula that doesn't rely on syllable counting.
Automated Readability Index
ARI grade level estimate using characters per word and words per sentence.
Dale-Chall Score
Vocabulary-based readability using a list of 3,000 familiar words and grade level mapping.
Text Statistics
Complete breakdown: sentences, words, syllables, complex words, characters, and paragraphs.
Reading Time Estimate
Estimated reading time at slow (100 wpm), average (200 wpm), and fast (300 wpm) speeds.
Grade Level Visualizer
Color-coded gauge showing the target audience grade level across all formulas.
Sentence Complexity Analysis
Average words per sentence, longest sentence, and complex word percentage with visual indicators.
Improvement Suggestions
Actionable tips to make your text more readable based on the analysis results.
Simple as 1-2-3
No learning curve. Get results in seconds with our intuitive workflow.
Paste Your Text
Enter or paste the text you want to analyze — articles, essays, documentation, or any content.
Click Analyze
Press "Analyze Readability" or use Ctrl+Enter to run all 7 readability formulas instantly.
Review Scores
See all readability scores, grade levels, text statistics, and the complexity analysis.
Apply Suggestions
Use the improvement tips to simplify your text and reach your target reading level.
Who Is It For?
Designed for professionals, students, and creators across industries.
Writers & Authors
Ensure your writing matches your target audience's reading level for maximum engagement.
Educators
Check that educational materials are appropriate for your students' grade level.
Content Marketers
Optimize blog posts and landing pages for readability to improve engagement and SEO.
UX Writers
Verify that interface text, instructions, and help docs are easy to understand.
Why Choose This Tool?
Real advantages that save you time and protect your privacy.
7 Formulas at Once
No need for separate tools — get Flesch, Fog, SMOG, Coleman-Liau, ARI, and Dale-Chall in one scan.
Grade Level Mapping
Every score is translated to a US grade level so you can compare across formulas easily.
Improvement Tips
Not just scores — get specific, actionable suggestions to make your text more readable.
Instant & Private
All calculations run in your browser. No uploads, no waiting, no data collection.
Frequently Asked Questions
Everything you need to know about this tool.
Which readability formula should I use?
How are syllables counted?
What is a good readability score?
Does it work with non-English text?
100% Private. 100% Free.
This tool runs entirely in your browser. Your text is never uploaded to any server. No signup, no tracking, no hidden costs — forever.
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