The best free readability checker gives you a recognized score, such as Flesch Reading Ease, plus the grade level of your text, without uploading your draft or capping how much you can check. A browser-based checker scores the text instantly on your device, free and with no sign-up.
Free readability score calculator. Get the Flesch Reading Ease score and grade level for any text instantly in your browser, no sign up.
Open Readability Score Calculator → Free toolFree text statistics tool. Get word and sentence counts, average word length, reading time and a readability score for any passage. Fully private in browser.
Open Text Statistics and Readability →Readability checkers are a common freemium wedge: the free tier caps the number of words per check or the checks per day, and the text is often analyzed on a server, which is a poor fit for unpublished manuscripts and internal documents. A checker should use a recognized formula, explain the result as a grade level, and let you re-check as often as you edit.
The readability calculator returns the Flesch Reading Ease score and the corresponding grade level the moment you paste your text, all computed locally. For a fuller picture, the text statistics tool adds word and sentence counts, average word length, reading time and a readability score in one pass, so you can see whether long sentences or long words are what is dragging the score down.
It reports the Flesch Reading Ease score along with an equivalent grade level.
No. The analysis runs entirely in your browser, so the text never leaves your device.
No. There is no account and no cap; long documents are limited only by browser memory.