This TextTools page works directly in your browser for normal use. Paste text into the tool, choose the action you need, then copy the result without creating an account.
How to use Readability Checker
Typical uses
- Review a help article draft.
- Compare two versions of a paragraph.
- Estimate whether copy is simple enough for a broad audience.
Tips
- Readability formulas are estimates, not quality scores.
- Very short samples can produce unstable results.
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FAQ
Does this tool upload my text?
No. The tool runs in your browser for ordinary use. Your input is not sent to an OpenSled server by the tool logic.
What is Readability Checker useful for?
Estimate Flesch Reading Ease and Flesch-Kincaid Grade for English text.
Can I use it on mobile?
Yes. The page is designed for phone, tablet and desktop browsers.