Readability Checker
Analyze text readability with Flesch-Kincaid, Gunning Fog, and Coleman-Liau scores.
How to Use This Readability Checker
Analyze the readability of any text using multiple proven readability formulas. This tool helps you ensure your content is appropriate for your target audience.
- Paste your text into the text area (minimum 10 words required)
- Click "Analyze Readability" to calculate all scores
- Review the Flesch Reading Ease score for a quick overview
- Check grade-level scores to ensure your text matches your audience
- Use the text statistics to identify areas for improvement
Tip: For web content, aim for a Flesch Reading Ease score of 60-70 (8th-9th grade). For academic writing, 30-50 is typical.
FAQ
What is the Flesch Reading Ease score?
The Flesch Reading Ease score rates text on a 0-100 scale. Higher scores mean easier reading. A score of 60-70 is considered ideal for most web content. It's based on sentence length and syllable count.
What is the Gunning Fog Index?
The Gunning Fog Index estimates the years of formal education needed to understand a text on first reading. A fog index of 12 requires a high school senior level of reading. Most popular novels have a fog index of 7-8.
How can I improve readability?
Use shorter sentences, simpler words, and break up long paragraphs. Replace multi-syllable words with shorter alternatives. Use active voice instead of passive voice. Aim for an average sentence length of 15-20 words.
Is my text sent to a server?
No. All readability analysis is performed entirely in your browser. Your text never leaves your device.