Free SEO Content Analyzer

Paste your article to check readability, keyword density, sentence length, passive voice and get a content score before you publish.

100% freeNo sign-upFast resultsWorks on mobile

Features of the SEO Content Analyzer

Why this free tool is faster and more helpful than most tools you find on Google.

Content score

Know if your article is ready to publish.

Readability metrics

Flesch reading ease, grade level, sentence and paragraph length.

Keyword density

Checks density, first-paragraph use and over-optimization.

Writing quality

Finds long sentences, passive voice and missing transition words.

Top words & phrases

See which words and 2-word phrases you use most.

100% private

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.

How to use the SEO Content Analyzer – step 1

Click "Analyze Content"

The analysis runs instantly in your browser.

How to use the SEO Content Analyzer – step 2

Follow the suggestions

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

How to use the SEO Content Analyzer – step 3

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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