Estimate English text readability
Estimate English reading ease from words, sentences and approximate syllable counts directly in your browser.
Uses an approximate Flesch Reading Ease calculation for English prose.
How to use the Readability Checker
Estimate English reading ease from words, sentences and approximate syllable counts directly in your browser.
Formula and method
The tool uses an approximate Flesch Reading Ease calculation from words, sentences and syllables.
Example
Shorter sentences and simpler words generally produce a higher reading-ease score.
Planning examples
These examples are mathematical scenarios designed to help with planning. They are not claims about typical market performance.
| Use | Recommendation |
|---|---|
| Planning | Use your own recent data whenever possible. |
| Comparisons | Keep the same definition and time period across comparisons. |
| Benchmarks | Treat public benchmarks as context rather than guarantees. |
How to interpret the result
This implementation is intended for English prose and uses approximate browser-side syllable counting, so treat the score as editing guidance.
Frequently asked questions
Does this tool use an external API?
No. The calculation runs from the values you enter.
Is the result a guarantee?
No. It is a mathematical planning result based on your inputs.
Can I use my own real data?
Yes. Your own recent account or business data is usually the best input.
Can I compare different platforms?
Use caution because metric definitions and monetization models can differ by platform.