Analyze keyword frequency and density in any text. See which words and phrases appear most often, with percentage density, n-gram analysis, and instant insights.
How to Use Keyword Density Checker
- 1Paste or type your text into the input area
- 2View the instant word frequency table sorted by count
- 3Toggle between single words, 2-word, and 3-word phrases (n-grams)
- 4Check density percentages to avoid keyword stuffing
- 5Use the insights to balance your keyword distribution
Features
- Real-time word frequency analysis as you type or paste
- Keyword density percentage for each word
- N-gram analysis — view 2-word and 3-word phrase frequencies
- Sortable results — sort alphabetically, by count, or by density
- Exclude common stop words (optional toggle)
- Word count, character count, and unique word count
- All processing in your browser — text never leaves your device
Frequently Asked Questions
What is keyword density?
Keyword density is the percentage of times a keyword appears in your text compared to the total word count. For example, if "SEO" appears 5 times in a 200-word article, its density is 2.5%.
What is the ideal keyword density?
There is no strict rule, but most SEO experts recommend 1-3% keyword density. Going above 5% may be considered keyword stuffing by search engines and could hurt your rankings.
What are n-grams?
N-grams are contiguous sequences of n words from a text. 2-grams (bigrams) are 2-word phrases like "keyword density", 3-grams (trigrams) are 3-word phrases like "keyword density checker".
Should I exclude stop words?
Stop words like "the", "and", "is" often dominate single-word frequency lists but provide little SEO insight. Toggling stop words off gives you a clearer picture of meaningful keywords.