Analyze Text
Readability

Evaluate your content's readability with multiple scoring methods. Import text files or paste content directly to analyze readability scores instantly.

Improve
Content Quality

Create content that your audience can easily understand and engage with. Our readability analyzer helps you optimize text for different education levels and reading abilities.

Whether you're writing for students, professionals, or the general public, measure and improve readability to ensure your message reaches everyone effectively.

How Text Readability Analysis Works

Simple Steps:

  1. 1Paste text or import a text file into the analyzer
  2. 2Get instant readability scores from multiple formulas
  3. 3Review detailed analysis and grade level recommendations

Pro Tips:

  • Import text files to easily analyze content
  • Aim for grade 8-10 level for general audiences
  • Use shorter sentences and common words to improve scores
  • Test different versions to optimize readability

Common Use Cases

Educational Content

Import textbooks and learning materials to ensure they match student grade levels

Example:
Grade 8 textbook → Target Flesch-Kincaid: 8.0-8.9

Marketing Content

Upload marketing copy files to create accessible content that reaches broader audiences

Example:
Product descriptions → Target Reading Ease: 60-80

Technical Documentation

Import documentation files to balance technical accuracy with user comprehension

Example:
User manual → Target Grade Level: 8-10

Web Content

Upload blog posts and articles to optimize for online readability

Example:
Blog post → Target Reading Ease: 70-80

Healthcare Communications

Import medical documents to make information accessible to patients

Example:
Patient instructions → Target Grade Level: 6-8

Legal Documents

Upload legal files to simplify language while maintaining accuracy

Example:
Consumer contract → Reduce from Grade 16 to 12

Government Communications

Import government documents to ensure public information is accessible to all citizens

Example:
Public notice → Target Grade Level: 8-10

Corporate Training

Upload training materials to match content to employee education levels

Example:
Training manual → Assess current level, optimize for audience

Frequently Asked Questions

📊 Readability Formulas & Analysis Methods

1 Readability Formulas & Score Interpretation

📈 Grade-Level Formulas

Flesch-Kincaid Grade Level
Formula: 0.39 × (words/sentences) + 11.8 × (syllables/words) - 15.59
Indicates U.S. grade level required to understand the text
1-6: Elementary School
7-8: Middle School
9-12: High School
13-16: College Level
17+: Graduate Level
Gunning Fog Index
Formula: 0.4 × ((words/sentences) + 100 × (complex words/words))
Years of formal education needed to understand text on first reading
6-8: Easy (Middle School)
9-12: Standard (High School)
13-16: Difficult (College)
17+: Very Difficult (Graduate)

📊 Reading Ease Formula (Inverse Scale)

Flesch Reading Ease
Formula: 206.835 - 1.015 × (words/sentences) - 84.6 × (syllables/words)
Higher scores = Easier reading (opposite of grade level scales)
90-100: Very Easy (5th grade)
80-89: Easy (6th grade)
70-79: Fairly Easy (7th grade)
60-69: Standard (8th-9th grade)
50-59: Fairly Difficult (10th-12th grade)
30-49: Difficult (College level)
0-29: Very Difficult (Graduate level)
Quick Reference Guide
Target for General Public: 60-70 (8th-9th grade)
Business Documents: 50-60 (10th-12th grade)
Academic Writing: 30-50 (College level)
Technical Documents: 0-30 (Graduate level)
Important: Scale Direction
Flesch Reading Ease: Higher scores = Easier reading (90-100 is easiest)
Grade Level Formulas: Higher scores = Harder reading (16+ is hardest)

2 Content Optimization Guidelines

✏️ General Audience

  • Target Grade Level: 8-10
  • Sentence Length: 15-20 words
  • Paragraph Length: 3-5 sentences
  • Complex Words: < 10%
  • Flesch Score: 60-80

🎓 Academic/Professional

  • Target Grade Level: 12-16
  • Sentence Length: 20-25 words
  • Technical Terms: Acceptable
  • Complex Words: 15-20%
  • Flesch Score: 40-60

👶 Elementary/Simple

  • Target Grade Level: 5-7
  • Sentence Length: 8-15 words
  • Simple Words: Common vocabulary
  • Complex Words: < 5%
  • Flesch Score: 80-100

3 Industry Applications & Best Practices

🏢 Business Applications

  • Marketing Copy: Grade 8-10 for broad appeal
  • Legal Documents: Often grade 12-16 (simplify when possible)
  • User Manuals: Grade 6-8 for accessibility
  • Internal Communications: Match audience education level

📚 Educational & Publishing

  • Textbooks: Match intended grade level exactly
  • News Articles: Grade 8-12 depending on publication
  • Blog Posts: Grade 8-10 for maximum engagement
  • Academic Papers: Grade 16+ accepted for peer review

4 Common Improvement Strategies

⬇️ Reduce Complexity

  • Break long sentences into shorter ones (aim for <20 words)
  • Replace complex words with simpler alternatives
  • Use active voice instead of passive voice
  • Eliminate unnecessary jargon and technical terms

⬆️ Improve Structure

  • Add headings and subheadings to organize content
  • Use bullet points and lists for easy scanning
  • Keep paragraphs short (3-5 sentences max)
  • Add transitions between ideas for better flow

5 Privacy & Calculation Accuracy

100% Client-Side Analysis

All readability calculations are performed entirely in your browser using JavaScript. Your content never leaves your device, ensuring complete privacy and security of your text.

✓ Research-Based Formulas: Uses established academic formulas
✓ Syllable Counting: Advanced algorithm for accurate analysis
✓ Multiple Metrics: Combines different readability measures
✓ Real-Time Analysis: Instant results as you type

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