Keyword Density Checker

Analyze your content's keyword density instantly. Paste your text, enter up to five keywords, and see how often each one appears. Get SEO recommendations to avoid stuffing or under‑optimization.

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What is Keyword Density?

Keyword density is the percentage of times a keyword or phrase appears in your text compared to the total word count. It's a foundational SEO metric used to gauge whether your content is optimized for a specific term. For years, SEOs debated the ideal keyword density – most now agree that a natural density between 1% and 3% works best. Going above that may trigger Google's keyword‑stuffing filters, while being too low means the keyword might not be recognized as a primary topic. This free keyword density checker helps you find that sweet spot by analyzing your text instantly, with no sign‑up required.

How to Use This Keyword Density Checker Tool

  1. Paste your text into the content area above.
  2. Enter up to five keywords or phrases separated by commas.
  3. Optionally check "Case‑sensitive matching" if you want exact capitalization.
  4. Click "Check Keyword Density" – results appear instantly.
  5. Review the density table and follow the tips provided.

Why Use This Free Keyword Density Tool?

Frequently Asked Questions

Keyword density is the percentage of times a keyword appears on a web page compared to the total number of words. It's a basic SEO metric used to check if a page is over‑ or under‑optimized for a specific term.

Paste your text into the content area, enter up to five keywords, and click 'Check Density'. The tool instantly calculates how many times each keyword appears and its density percentage.

Yes, completely free. No sign‑up, no credits, no limits.

Most SEO experts recommend a keyword density between 1% and 3%. Higher densities may be flagged as keyword stuffing by Google.

While Google's algorithms are more sophisticated now, keyword density remains a useful guideline. Natural language and user intent are more important, but avoiding stuffing is still essential.

Yes, you can enter up to five keywords or phrases separated by commas. The tool shows each one's frequency and density.

It counts exact matches by default. For example, 'SEO' matches 'SEO' but not 'seo' (unless you choose case‑insensitive mode). It also supports multi‑word phrases.

No. All analysis happens directly in your browser. Your text is never uploaded to any server.

Yes, the keyword density checker is fully responsive and works on smartphones, tablets, and desktops.

Check the related tools section for our AI SEO Analyzer, SERP Preview, Meta Tag Generator, and more.

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Author: Waleed Islam  |  Reviewed by: Nyxbo SEO Team  |  Last Updated: June 20, 2026

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