What is keyword density and how do I calculate it?
Keyword density = (keyword occurrences / total words) × 100. Use the frequency count from this tool and divide by the total word count. Aim for 1–2% for primary keywords.
Frequent Words Tool scans your text and ranks every word by how many times it appears, letting you instantly see which terms dominate your content. SEO writers use it to check keyword density and avoid over-optimization, researchers use it for corpus analysis, and editors use it to spot repetitive phrasing that drags down writing quality. Runs 100% in your browser — paste any text and see results immediately.
The tool tokenizes the input text into individual words, normalizes them to lowercase, removes punctuation, and counts occurrences of each unique word. Results are sorted by frequency in descending order, giving you a clear frequency distribution of all terms in the text.
Keyword density = (keyword occurrences / total words) × 100. Use the frequency count from this tool and divide by the total word count. Aim for 1–2% for primary keywords.
The tool shows all words including stop words. Reviewing stop word frequency helps identify overused filler words in your writing.
No. Words are normalized to lowercase before counting, so "The" and "the" are counted as the same word.
No. All analysis runs entirely in your browser. Your text is never uploaded or stored.
Yes. The tool handles large texts efficiently in the browser. For very large documents (100,000+ words), performance depends on your device.
Yes, completely free. No sign-up, no limits.
Tool workspace
Free online word frequency analyzer — find the most common words in any text instantly. Ideal for keyword density analysis, SEO audits, and content research. No login needed.
Input
The cat sat on the mat. The cat was happy.
Output
the (3), cat (2), sat (1), on (1), mat (1), was (1), happy (1)