Readability Score Checker
Analyze text readability with Flesch-Kincaid, Gunning Fog, SMOG, and more.
About Readability Score Checker
Readability Score Checker is a free online tool that analyzes text and calculates six established readability metrics: Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, Coleman-Liau Index, Automated Readability Index, and SMOG Index. It provides detailed text statistics and color-coded scores to help you write clearer, more accessible content.
How to Use
Paste your text into the input area. The tool instantly calculates all readability scores and text statistics in real time. Each score card shows the metric value with a color-coded interpretation — green for easy, yellow for moderate, and red for difficult. Use these insights to adjust sentence length, word complexity, and overall readability.
Common Use Cases
- •Checking blog posts and articles for target audience readability
- •Ensuring documentation is accessible to the intended readers
- •Improving marketing copy for broader audience appeal
- •Meeting readability requirements for legal or medical documents
- •Optimizing educational content for specific grade levels