Instantly Analyze Your Text's Readability & Boost Engagement
Struggling to connect with your audience? Our free readability score calculator provides instant analysis of your content’s clarity and accessibility. Understand exactly how easy your text is to read and make data-driven improvements to engage more readers.
Readability Score Calculator
This tool analyzes your text and calculates several readability scores to help you understand how easy or difficult your content is to read.
Readability Scores
Flesch Reading Ease
Flesch-Kincaid Grade
Gunning Fog Index
Coleman-Liau Index
SMOG Index
Automated Readability
Text Statistics
About Readability Scores
Readability scores help you understand how easy or difficult your text is to comprehend. Different formulas measure different aspects of readability, such as word length, sentence length, and syllable count.
Flesch Reading Ease Interpretation:
- 90-100: Very Easy (5th grade)
- 80-89: Easy (6th grade)
- 70-79: Fairly Easy (7th-8th grade)
- 60-69: Standard (9th-10th grade)
- 50-59: Fairly Difficult (11th-12th grade)
- 30-49: Difficult (College)
- 0-29: Very Confusing (College graduate)

Free Readability Checker Tool – Make Your Content Clear and Engaging
Welcome to the Readability Checker Tool by Jlonk — your go-to solution for analyzing the clarity and effectiveness of your written content. Whether you’re a blogger, student, marketer, or web content creator, this free online tool helps you ensure that your writing is easy to understand and perfectly suited for your target audience .
What is a Readability Checker?
A Readability Checker is a simple yet powerful tool that scans your text and provides insights based on readability formulas such as Flesch-Kincaid, Gunning Fog, and SMOG Index. It calculates a readability score that tells you how easy your content is to read and which grade level your audience needs to understand it.
Why Is Readability Important?
Clear, readable content is key to keeping visitors on your website and improving your SEO. If your articles or marketing content are too complex or difficult to follow, users may leave quickly — hurting your bounce rate and search rankings. A high readability score means your text is more likely to engage readers and convert them into customers, subscribers, or loyal followers.
How to Use Jlonk’s Readability Tool
Using our tool is easy. Just paste your content into the textbox and click “Check Readability”. You’ll instantly receive your readability score, average sentence length, word count, and other metrics that help you revise and optimize your writing. Our tool is ideal for checking:
Blog posts
Social media content
Landing pages
Product descriptions
Emails and newsletters
School essays
Benefits of Using Jlonk’s Readability Tool
✅ 100% Free and fast to use
✅ User-friendly interface with clear results
✅ No registration or downloads required
✅ Accurate readability formulas
✅ Perfect for SEO and content writing
Whether you’re aiming for a wide general audience or a specific reading level, Jlonk’s Readability Checker Tool gives you the insights you need to refine your message and reach your goals.
Improving your content’s readability not only benefits your audience but also boosts your chances of ranking higher on search engines. Search engines like Google prioritize content that provides a clear and enjoyable reading experience. By using our free Readability Checker Tool, you can easily identify areas where your content may be too complex or unclear. This allows you to adjust sentence structure, vocabulary, and tone to better suit your readers. Whether you’re writing for a blog, eCommerce product page, or an academic paper, improving readability can significantly increase engagement and reduce bounce rates—leading to better SEO performance overall.
For an alternative way to test your content clarity, you can also try the Readability Checker by SEO Review Tools, a trusted tool used by digital marketers and SEO professionals.
For a deeper understanding of readability and how it affects user experience, visit the Readability article on Wikipedia for expert insights.