Tested at approximately 94% accuracy against a human-annotated word set. No syllable counter is perfectly accurate due to English's irregular pronunciation — this is a known limitation shared by essentially all readability tools.
Check how readable your content is with 5 established readability formulas, and see which words and phrases you're actually repeating — both instantly, entirely in your browser.
Any text — a blog post, product page, or article draft.
Get 5 formula scores plus a plain-English grade level.
See your most-repeated words and phrases, with density %.
Adjust sentence length or phrase repetition and re-check.
| Score | Level | Typical Reader |
|---|---|---|
| 90–100 | Very Easy | 5th grade — easily understood by an 11-year-old |
| 80–89 | Easy | 6th grade — conversational English |
| 70–79 | Fairly Easy | 7th grade |
| 60–69 | Standard | 8th–9th grade — plain English, ideal for most web content |
| 50–59 | Fairly Difficult | 10th–12th grade |
| 30–49 | Difficult | College level |
| 0–29 | Very Confusing | College graduate / academic |
Tested at approximately 94% accuracy against a human-annotated word set. No syllable counter is perfectly accurate due to English's irregular pronunciation — this is a known limitation shared by essentially all readability tools.
There's no official target — write naturally for the reader. If a phrase feels repetitive when read aloud, it's likely overused, regardless of the exact percentage.
No. All analysis happens entirely in your browser. Nothing is sent to any server.
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