Free readability checker
Get the Flesch reading ease score and grade level of your text, and see exactly which sentences to shorten.
What the score means
Easy
Short sentences and everyday words. Right for most websites and blogs.
Fairly hard
Fine for expert readers. Splitting a few sentences helps everyone else.
Hard
Long sentences and long words. Common in academic and legal writing.
Everything for the next draft.
What is the Flesch reading ease score?
A score from 0 to 100 based on how long your sentences are and how many syllables your words have. Higher is easier. 60 to 70 reads easily for most adults; most web writing should aim for 60 or more.
What is the grade level?
The Flesch-Kincaid grade: the school year a reader would need to follow the text easily. Grade 7 to 9 suits most websites.
Which sentences are marked?
Sentences of more than 20 words in yellow and more than 30 in red. Splitting them is the quickest way to make a text easier to read.
Does it work in other languages?
The formulas were made for English, so scores for other languages are only a rough guide.
Is my text saved?
No. The check runs in your browser. Nothing is sent to us.
Make every draft easy to read.
SerpPal's humanizer gives stiff sentences a natural voice and keeps every fact.