Keyword Density Tool
Analyze keyword frequency with N-gram analysis.
How to use
- Paste the article text to analyze.
- Select the N-gram size (1, 2, or 3 words).
- Click the analyze button.
- Review keyword frequency and density ratios.
About this tool
The Keyword Density Tool analyzes the frequency of words and phrases in your article and calculates density ratios. N-gram analysis covers single words, bigrams, and trigrams so you can uncover both direct keywords and meaningful phrases.
Features
Real-time tokenization, exclusion of stop words, sortable result tables, visual frequency bars, and support for both Japanese and English text. All processing is performed locally to protect your drafts.
Use cases
Content writers aiming for natural keyword balance, SEO specialists auditing competitor pages, editors optimizing cornerstone articles, and students studying text analytics can all find the tool useful.
Why this tool
Instead of guessing, the density report shows exactly how often each term appears and flags over-optimization. It is a quick way to refine your writing without switching between multiple editors or spreadsheets.
FAQ
- What is keyword density?
- It is the ratio of how often a keyword appears compared with the total number of words in the text.
- What density is ideal for SEO?
- A natural density of 1-3% is generally recommended to avoid keyword stuffing penalties.
- Does it support Japanese text?
- Yes, the tool tokenizes both Japanese and English text for accurate frequency counts.