Readability Score Checker - Free SEO Tool for Content Analysis

Readability Score Checker

Analyze text readability using 7 different formulas to optimize your content for better engagement

Enter Text to Analyze

0 words
Simple Blog Post
Academic Text
Marketing Copy
Technical Document

Readability Tips

Sentence Length

Aim for 15-20 words per sentence. Mix short and medium sentences for better flow.

Word Choice

Use simple, common words instead of complex vocabulary when possible.

Paragraph Structure

Keep paragraphs short (3-4 sentences) with one main idea per paragraph.

Target Audience

Match readability level to your audience. General public: 7th-8th grade level.

Readability Analysis Results

Enter text on the left and click "Analyze Readability" to see detailed readability scores and recommendations.

You'll get:

  • 7 different readability scores
  • Detailed word and sentence statistics
  • Personalized recommendations
  • Target audience analysis

About Readability Formulas

Flesch-Kincaid

Most widely used formula. Reading Ease scores range from 0-100. Grade Level indicates U.S. school grade needed.

Gunning Fog Index

Measures text complexity based on sentence length and complex words. Higher scores indicate more difficult text.

Coleman-Liau Index

Uses characters per word and sentences per 100 words. Doesn't require syllable counting like other formulas.

Automated Readability

Designed for early computers. Uses characters per word and words per sentence to calculate grade level.

SMOG Index

Stands for "Simple Measure of Gobbledygook". Best for texts with 30+ sentences. Counts complex words.

Dale-Chall Score

Based on 3000 words known to 4th-grade students. More accurate but requires difficult word list.