Free SEO Content Analyzer
Paste your article to check readability, keyword density, sentence length, passive voice and get a content score before you publish.
Features of the SEO Content Analyzer
Why this free tool is faster and more helpful than most tools you find on Google.
Know if your article is ready to publish.
Flesch reading ease, grade level, sentence and paragraph length.
Checks density, first-paragraph use and over-optimization.
Finds long sentences, passive voice and missing transition words.
See which words and 2-word phrases you use most.
Your text is analyzed in your browser and never uploaded.
How to use the SEO Content Analyzer
Three simple steps. Click Load Example above to see it in action first.
Paste your content
Copy your draft from Word, Google Docs or WordPress and paste it in. Add your focus keyword.

Click "Analyze Content"
The analysis runs instantly in your browser.

Follow the suggestions
Fix the orange and red items and analyze again until your score is green.

Frequently asked questions
What is a good Flesch reading score?
60 or higher is easy to read for most people. Aim for 60–70 for blog posts.
Is my content saved?
No. Everything happens in your browser. Nothing is sent to our server.
How long should SEO content be?
Long enough to fully answer the question. Many ranking blog posts have 800–2,000 words, but quality matters more than length.
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