Readability Checker
Flesch score, grade level & long sentences
Runs in your browser Instant results 100% free
Loading tool…
About the Readability Checker
Easy-to-read content keeps visitors on the page longer and converts better. This checker calculates the Flesch Reading Ease score and the Flesch–Kincaid grade level, shows your reading and speaking time, and highlights sentences that are too long.
How to use it
- Paste your article, blog post or page copy.
- Read the score, grade level and statistics that update as you type.
- Shorten the highlighted long sentences and check again.
Frequently asked questions
What is a good Flesch Reading Ease score?
60–70 is plain English that most adults understand easily. Higher is easier; below 50 is fairly difficult.
How long should a sentence be?
Aim for an average of 15–20 words and avoid sentences over 25 words where possible.
Want to master this skill?Learn it step by step in our SEO course – practical, in Hindi and English.
See the course
