Readability Checker
Readability Checker
Analyze your text's readability score, grade level, and get suggestions to improve your writing. Perfect for content creators, students, and professionals.
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Readability Checker - Analyze Text Difficulty & Improve Your Writing
Our Free Readability Checker Tool analyzes your text using multiple proven readability formulas to determine how easy or difficult your content is to read. Get instant feedback and actionable suggestions to improve your writing for your target audience.
What is Readability and Why Does It Matter?
Readability refers to how easy or difficult a piece of text is to read and understand. Good readability ensures your message reaches your intended audience effectively. Poor readability can lead to:
📉 Reduced Comprehension
Readers may struggle to understand complex text, missing your key messages.
⏱️ Increased Reading Time
Difficult text takes longer to read and process, reducing engagement.
📉 Lower Retention
Readers remember less information from difficult-to-read content.
Readability Formulas We Use
Flesch Reading Ease
The most popular readability formula, scoring text on a 100-point scale. Higher scores indicate easier reading.
- 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 (College graduate)
Flesch-Kincaid Grade Level
Converts the Flesch score to a U.S. grade level. Indicates the number of years of education required to understand the text.
Gunning Fog Index
Estimates the years of formal education needed to understand the text on first reading.
SMOG Index
Stands for "Simple Measure of Gobbledygook." Estimates the years of education needed to understand a piece of writing.
Ideal Readability Scores by Content Type
| Content Type | Target Flesch Score | Grade Level | Purpose |
|---|---|---|---|
| Children's Books | 90-100 | 1st-5th Grade | Easy comprehension for young readers |
| Blogs & Websites | 70-80 | 6th-8th Grade | Accessible to general audience |
| Academic Papers | 30-50 | College Level | Technical precision |
| Business Reports | 60-70 | 8th-10th Grade | Professional yet accessible |
| Marketing Copy | 80-90 | 5th-7th Grade | Maximum engagement |
How to Improve Readability
Shorten Sentences
Break long sentences into shorter ones. Aim for 15-20 words per sentence for general audiences.
Simplify Vocabulary
Replace complex words with simpler alternatives when possible. Avoid jargon for general audiences.
Use Active Voice
Prefer active voice over passive voice. Active voice is more direct and easier to understand.
Pro Writing Tips
- Know your audience: Adjust readability based on who will read your content
- Use subheadings: Break content into logical sections with clear headings
- Add visuals: Images, charts, and bullet points improve comprehension
- Read aloud: If it sounds awkward when spoken, it probably reads awkwardly too
- Edit ruthlessly: Remove unnecessary words and redundant phrases
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