SEO ToolsContent SEOFree Tool
Content Readability Checker
Paste your content to get its word count, sentence count, average sentence length, and an estimated Flesch-Kincaid grade level.
How to Use Content Readability Checker
- 1Paste your article or page content
- 2Click Analyze
- 3Review the word count, sentence count, and estimated Flesch-Kincaid grade level
- 4Simplify long sentences if the grade level is higher than your target audience needs
Frequently Asked Questions
The tool estimates a Flesch-Kincaid grade level from your word count, sentence count, and an approximate syllable count (based on counting vowel groups per word, not a real syllable dictionary) — so treat the exact number as an approximation, not a precise score.
Total word count, sentence count, average sentence length, and a content-depth note flagging text under 300 words as short or 1,000+ words as solid depth.
No — those aren't part of this tool's output. It's focused purely on the word/sentence/grade-level metrics described above.
Most web content aims for roughly grade 7-9 for general audiences, though technical or academic content can reasonably run higher — use this as a rough guide alongside your knowledge of your actual readers.
Related Tools
Keyword Density Checker
Paste your article or page copy to see how often each significant word (3+ letters) repeats, so you can spot accidental keyword stuffing before you publish.
Slug Generator
Convert any page title or phrase into a clean, lowercase, hyphenated URL slug — lowercased, stripped of special characters, and capped at 60 characters.
Content Idea Generator
Enter a topic and get 8 ready-made blog post angles (How to, Ultimate Guide, Top 10, and more) built from proven content-format templates.
Title Tag Optimizer
Check your page title's character count and estimated pixel width against Google's typical SERP display range, so you know if it'll get cut off.