Paste your text to see how easy it is to read, with real Flesch Reading Ease and grade level scores, plus specific sentences worth simplifying.
Paste your text to see how easy it is to read, with real Flesch Reading Ease and grade level scores, plus specific sentences worth simplifying.
Readability scores measure sentence and word length, not accuracy or quality. A simple sentence can still be wrong, and a complex one can still be correct.
These are your longest or most complex sentences. Shortening a few of these usually does more for readability than rewriting the whole piece.
All analysis happens locally in your browser. Nothing you paste is sent anywhere or stored. Syllable counting is estimated using common English pronunciation rules and may occasionally miscount unusual or foreign words.
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A readability score estimates how easy a piece of text is to read, based on sentence length and word length. Short sentences and everyday words score as easy. Long sentences full of multi-syllable words score as hard.
Paste your text into this free readability checker to get a real Flesch Reading Ease score and grade level, plus word and sentence counts, average sentence length, passive voice and reading time. Most usefully, it lists the specific sentences worth simplifying, so you know exactly where to start.
Readable copy keeps visitors on the page, works better on mobile and is easier for search engines and AI tools to quote.
Flesch Reading Ease scores text from 0 to 100, where higher is easier. Aim for 60 or above for most web pages, which is plain English that a 13 to 15 year old can follow. Paste your text above to see your score and the sentences dragging it down.
Paste the main body text only. Menus and footers distort the score.
Website copy, a blog post, an email or a report.
Flesch Reading Ease, grade level, sentence and word stats and reading time update instantly.
Start with the longest, most complex sentences. They give the biggest improvement.
Re-paste the edited text and confirm the score moved in the right direction.
Both scores use average sentence length and average syllables per word.
Reading Ease = 206.835 - 1.015 x (words / sentences) - 84.6 x (syllables / words)Grade Level = 0.39 x (words / sentences) + 11.8 x (syllables / words) - 15.59Syllables are estimated using common English pronunciation rules. Scores measure ease, not accuracy or quality.
A service page before and after editing.
Where your score sits and who can comfortably read it.
| Score | Difficulty | Typical reader level |
|---|---|---|
| 90 to 100 | Very easy | Age 11 and up |
| 70 to 89 | Easy to fairly easy | Age 12 to 13 |
| 60 to 69 | Plain English | Age 13 to 15, ideal for most websites |
| 50 to 59 | Fairly difficult | Upper secondary school |
| 30 to 49 | Difficult | University level |
| 0 to 29 | Very difficult | Graduate or specialist readers |
Simple writing is not dumbed-down writing. It respects the reader's time.
60 to 70 is plain English and suits most websites. Higher is easier. Scores below 50 are hard for general audiences.
Around grade 7 to 9 works for most audiences, including busy experts reading on a phone.
Not as a direct ranking factor, but clear content keeps readers engaged and is easier for search engines and AI tools to understand and quote.
A sentence where the subject receives the action, such as "The report was written by Sam". Active voice, "Sam wrote the report", is usually shorter and clearer.
No. All analysis happens in your browser. Nothing is sent anywhere.
The formulas are designed for English. Scores for other languages are not reliable.
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