Free Readability Checker – Analyze and Improve Text Quality
Use our free Readability Checker to analyze Flesch, Gunning Fog, SMOG, and more. Get sentence analysis, complex word detection, readability scores, and tips to improve your writing.
Input Text
Drag & drop a .txt file here or click to browse
Settings
Analysis Results
Your analysis results will appear here after you click "Analyze Text".
Introduction
Our Readability Checker is a powerful online tool that helps writers, students, teachers, and content creators evaluate the clarity and accessibility of their writing. By analyzing multiple readability scores such as Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, SMOG, ARI, and Coleman-Liau, it provides valuable insights into how easy or difficult your text is to read.
With advanced features like complex word detection, reading time estimation, and sentence-by-sentence analysis, this tool is perfect for improving blog posts, academic papers, marketing copy, and any other written content.
Key Features of Our Readability Checker
✅ Multiple Input Options:
Paste text directly into the textarea with live character count.
Drag & drop text files or browse to upload.
Choose from sample text presets for quick testing.
✅ Comprehensive Analysis:
Calculates several readability scores including Flesch, Flesch-Kincaid, Gunning Fog, SMOG, ARI, and Coleman-Liau.
Displays word, character, sentence, and paragraph counts.
Detects complex words and highlights their percentage.
Estimates reading time based on average reading speed.
✅ Detailed Insights:
Sentence-by-sentence analysis to identify long or complicated sentences.
Passive voice detection to help make writing more active and engaging.
Complex word highlighting for simpler alternatives.
Actionable suggestions to improve readability and clarity.
✅ Visualization & Feedback:
Score comparison chart built with Chart.js.
Color-coded indicators for easy interpretation of readability levels.
Tabbed interface for organized views of text, scores, and suggestions.
✅ Export & Sharing Options:
Export results as TXT (PDF support available in advanced version with jsPDF).
Copy scores and suggestions to clipboard for quick sharing.
Generate shareable URLs for shorter texts.
✅ Settings & Accessibility:
Auto-update toggle for live feedback as you type.
Adjustable reading speed and sentence thresholds.
High contrast mode for better visibility.
Keyboard shortcuts (e.g., Ctrl+Enter to analyze).
Full ARIA labels and screen reader support for accessibility.
Why Use Our Readability Checker
Good readability ensures that your message is clear and accessible to a wide audience. Whether you are preparing web content, academic assignments, marketing materials, or technical documentation, improving readability helps readers understand and retain your message more easily.
Our Readability Checker not only calculates standard scores but also highlights complex words, long sentences, and passive voice so you can improve your writing step by step.
How to Use the Readability Checker
Paste your text or drag & drop a file into the input box.
Adjust settings such as reading speed or thresholds if needed.
Click “Analyze” (or press Ctrl+Enter) to see scores and insights.
Review the highlighted issues and follow the suggestions to simplify your text.
Export or share the results to improve your work collaboratively.
All processing happens in your browser, ensuring speed and privacy. Readability Checker
Benefits of Using a Readability Checker
📈 Enhance Content Quality: Improve reader engagement and understanding.
📚 Educational Aid: Teachers and students can evaluate essays and assignments.
📝 SEO Friendly: Clear, concise content often performs better in search rankings.
🌍 Accessible Writing: Make your writing understandable to non-native speakers.
⏳ Save Time: Quick feedback means faster editing and publishing.
FAQs – Readability Checker
Q1: What is a readability score?
A: A readability score measures how easy it is to read and understand a text based on factors like sentence length and word complexity.
Q2: Which readability formula is most common?
A: The Flesch Reading Ease and Flesch-Kincaid Grade Level are the most widely used.
Q3: Can I use this tool for SEO optimization?
A: Yes. Clear and easy-to-read content improves user experience, which can positively impact search engine rankings.
Q4: Is my data safe?
A: Yes. All processing is done locally in your browser; no text is stored or uploaded.
Q5: Does it support non-English languages?
A: Basic features work for many languages, but some readability formulas are designed specifically for English.
Why Choose Our Readability Checker
Unlike simple online calculators, our tool combines advanced Readability Checker, visual feedback, and actionable suggestions in one intuitive interface. By highlighting problem areas in your text, it empowers you to write better, clearer, and more engaging content.
For further insights into Readability Checker scoring methods, visit the Readability Wikipedia page.
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