Readability Checker
Estimate sentence length and reading ease using a browser-side text analysis.
The reading-ease estimate is designed for English prose and may be unreliable for short text, names, lists or other languages.
Quick and easy to use
Clear controls help you complete the task without unnecessary steps.
Useful options
Choose relevant settings and review your result before downloading or sharing.
Privacy-aware
Browser-based utilities process supported inputs locally where practical.
How to use Readability Checker
Estimate sentence length and reading ease using a browser-side text analysis. Enter your details, choose the options you need, generate the result and review it before copying or sharing.
Frequently asked questions
Is this tool free to use?
Yes. This version is provided free of charge. Some advanced features may be added later only after their cost and privacy implications are reviewed.
Does this tool work on mobile?
The page is designed to adapt to mobile screens. For the best experience, use an up-to-date browser.
Do you store my input?
For browser-based utilities, processing is performed in your browser and the tool is not designed to upload your text or image to our server.
How do I share this tool?
Use the Share this tool controls near the bottom of the page, or copy the page URL and send it to someone.
What should I do if the tool does not work?
Check that your input is valid, try a current browser, and use the feedback or contact page to report the issue.