Content Intelligence
Readability Checker
Analyze your text’s reading ease, target grade level, sentence complexity, and syllable count in real time.
0 words
Flesch Reading Ease
0
Enter text
Grade Level
0
Flesch-Kincaid
Reading Level
—
target audience
Gunning Fog
0
years of education
Coleman-Liau
0
grade index
Avg. Sentence
0
words/sentence
Complex Words
0%
3+ syllables
📋 How To Use The Readability Checker
1
Paste your draft text. Input your article, copy, essay, or email into the text editor.
2
Review the Flesch Reading Score. Scores from 60 to 70 indicate plain English accessible to 8th–9th graders (ideal for web copy).
3
Check structural feedback. Monitor average sentence length and the percentage of complex words (3+ syllables) to find overly dense passages.
4
Copy score report. Export your calculated readability metrics with a single click.
⚙️ Understanding Readability Metrics
Flesch Reading Ease
Ranges from 0 to 100. Higher scores mean easier reading. Web content generally aims for a score of 60+.
Flesch-Kincaid Grade
Translates reading difficulty into U.S. school grade levels. A score of 8.0 corresponds to an 8th-grade student.
Gunning Fog Index
Estimates formal education required to understand text on the first reading. Technical papers usually score 12+.
Client-Side Privacy
All calculations run locally in JavaScript. Your written content never leaves your browser window.
❓ Frequently Asked Questions
For general web content, blogs, and marketing copy, a Flesch Reading Ease score of 60–70 (around an 8th-grade reading level) is recommended for optimal user engagement.
Shorten long sentences, split compound paragraphs, and replace multi-syllable jargon with simpler everyday synonyms.
🔗 Related Tools
🛠️
Found a Bug or Have a Suggestion?
Help us improve this tool. If you found an error, have a feature request, or think something could work better — we would love to hear from you.