Readability Checker
Flesch Reading Ease and Flesch-Kincaid grade with a plain-English label.
How to use
- Paste a paragraph.
- Read the score and grade.
- See the formula breakdown.
Frequently asked questions
- Is the Readability Checker free to use?
- Yes. The Readability Checker is 100% free, requires no signup or API key, and runs entirely in your browser.
- Does the Readability Checker send my data to a server?
- No. All processing happens client-side in your browser — your input never leaves your device.
- How do I use the Readability Checker?
- Paste a paragraph. Read the score and grade. See the formula breakdown.
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