🔧 OnlineToolKit

Readability Score Checker

Calculate Flesch Reading Ease and grade level for any text. Free readability checker for writers and educators.

Frequently asked questions

What is Flesch Reading Ease?
A 0-100 score based on sentence length and syllables per word. Higher is easier: 60-70 is plain English.
What grade level does my text need?
General audiences: grade 8 or lower. Professional or technical content: grade 10-12 is common.
How do I improve my score?
Shorten sentences and prefer shorter words. Two changes move the score more than any other edit.
Is syllable counting perfect?
The heuristic handles most English words correctly, but unusual spellings can be off by one.

This tool runs entirely in your browser. No data is uploaded anywhere.