Keyword density analyzer

See which words and phrases you use most, and what share of the text each one takes. Results update as you type.

Paste some text to see its keyword density.

Free Keyword Density Analyzer

Analyze the keyword density and word frequency of any text instantly. Our free tool helps writers, SEO professionals, and educators understand how keywords are distributed across their content.

How to Use the Keyword Density Analyzer

  1. Paste your text into the input area, or load a sample text to try it out.
  2. View results for single words, 2-word phrases, and 3-word phrases.
  3. Toggle the stopword filter to include or exclude common words (the, is, and, etc.).
  4. Copy results to clipboard or download as a CSV file for further analysis.

What Is Keyword Density?

Keyword density is the percentage of times a keyword or phrase appears in a text compared to the total number of words. It is calculated as: (keyword count / total words) × 100.

Features

  • N-gram Analysis: Analyze single words, bigrams (2-word phrases), and trigrams (3-word phrases)
  • Stopword Filtering: Exclude common English stopwords to focus on meaningful keywords
  • Visual Distribution: See relative keyword frequency with visual bars
  • Export Options: Copy to clipboard or download results as CSV
  • Top 100 Keywords: View the most frequently used terms in your content

Use Cases

  • SEO Content Optimization: Ensure target keywords appear at optimal density (typically 1-3%)
  • Academic Writing: Identify overused words and improve vocabulary variety
  • Content Editing: Spot repetitive phrases and improve writing quality
  • Competitive Analysis: Analyze competitor content to understand their keyword strategy