Analyze keyword frequency, phrase usage, and density distribution for better on-page SEO.
Professional SEO text analysis and frequency distribution tool.
Keyword density refers to the percentage of times a specific keyword or phrase appears in a piece of content compared to the total word count. It is a fundamental metric used by SEO professionals to ensure a topic is properly covered without "stuffing" the text.
While there is no "perfect" number that guarantees a #1 ranking, most SEO experts recommend keeping your primary keyword density between 0.5% and 2.5%.
Stop words are frequently used words like "the," "is," "at," and "which." Since these appear in almost every sentence, they can clutter your data. The Exclude Common Words toggle filters these out so you can focus on meaningful keywords. You can customize this list by clicking the Settings (Gear) icon.
These analyze N-grams:
Long-tail phrases are often easier to rank for because they are more specific.
The indicator is a warning system:
Yes. Click the Export CSV button to download a spreadsheet containing the full breakdown of your keywords, their counts, and their exact percentages. This is useful for client reports or content audits.
No. All processing happens locally in your browser. Once you refresh the page or click Clear All, your text is permanently removed.
Simply click on any keyword in the results table on the right. The tool will automatically scroll to and highlight the first occurrence of that word in the text editor for you.
Discover more free tools to help you build, test, and optimize your site.