Readability Checker
The Readability Score Checker is a content optimization tool that evaluates how easy your text is to read.
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Learn more — open a section when you need details
The Readability Score Checker is a content optimization tool that evaluates how easy your text is to read. It uses standard linguistic formulas like the Flesch-Kincaid Reading Ease and Grade Level to provide objective feedback on your writing style, helping you tailor your content to your target audience.
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Paste your text into the editor (at least 100 words recommended).
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Click "Calculate Readability" to process the text.
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Review the Flesch Reading Ease score: 0-30 is difficult (college level), 60-70 is standard (8th/9th grade), and 90-100 is very easy.
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Check the Gunning Fog Index or Flesch-Kincaid Grade Level to see the estimated years of education needed to understand the text.
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Review the basic statistics like unique words, average sentence length, and syllable counts.
Blog Audience Optimization
After drafting a blog post, use the checker to ensure your content hits the 60-70 Flesch Reading Ease score, making it accessible to a standard 8th or 9th-grade reading level.
Technical Documentation Review
Analyze complex user manuals or API documentation to identify overly long sentences and complex words that could be simplified for better user understanding.
Marketing Copy Punch-Up
Test your sales landing pages to ensure your message isn't getting lost in academic language. Aim for high readability to keep users engaged and clicking.
Email Campaign Refinement
Check your promotional emails for "Gunning Fog" complexity. Shorter, clearer emails typically have much higher conversion and response rates.
SEO Dwell Time Improvement
Identify pages with high bounce rates and check their readability. Improving flow and simplifying language can keep visitors on the page longer, signaling quality to search engines.
Use shorter sentences to improve your readability score significantly.
Avoid "jargon" and complex, multi-syllabic words where a simpler synonym exists.
Active voice is generally easier to read and more engaging than passive voice.
Target a 7th or 8th-grade reading level for general web audiences.
A readability score is a value computed from a formula that estimates the educational level required to understand a piece of text.
This is one of the most popular readability tests. Higher scores indicate material that is easier to read; lower scores indicate harder-to-read material.
For a general audience, a score between 60 and 70 is ideal. This is roughly equivalent to an 8th or 9th-grade reading level.
The Gunning Fog Index estimates the years of formal education needed to understand the text on a first reading. A score of 12 requires the reading level of a high school senior.
While not a direct ranking factor, readability significantly impacts user experience, dwell time, and bounce rate, which are all important indirect signals for SEO.
The fastest way to improve your score is to break long sentences into two and replace long, complex words with simpler alternatives.
Yes, our tool is 100% free and allows you to test as much text as you need.
We recommend at least 100 to 200 words to get a statistically significant reading level estimate.
Typically, complex words are those with three or more syllables. Reducing these is key to improving your Gunning Fog score.
Currently, our formulas are optimized for the English language, as readability metrics differ significantly across different languages.