Keyword Density Checker
Paste some text above to see the most frequent words and their density.
The keyword density checker counts how often each word appears in your text and shows its density as a percentage of the total word count. Paste an article or page copy, choose whether to skip common stop words like the and and, set how many top words to show, and read the ranked results instantly. Everything runs in your browser, so nothing you paste is uploaded.
How to use
- Paste or type your text into the box.
- Tick Ignore common stop words if you want to skip filler words like the, and, of.
- Set Show top N to how many of the most frequent words you want to see.
- Read the ranked table: each word with its count and density percentage (count divided by total words, times 100).
- Adjust the options or edit the text to refine the results, or press Reset to start over.
Examples
- With stop words kept, the text "the fox the fox the fox cat dog" has 8 words. The word fox appears 3 times, so its density is 3 / 8 * 100, which is 37.50%.
- For the same text with Ignore common stop words on, the is dropped and 5 words remain. The word fox now shows 3 / 5 * 100, which is 60.00%.
- A 500 word blog post where your target phrase appears 12 times gives a density of 12 / 500 * 100, which is 2.40%.
FAQs
- What is keyword density?
- Keyword density is how often a word appears in a piece of text relative to the total word count. It is calculated as the word count divided by the total number of words, multiplied by 100, and expressed as a percentage.
- What is a good keyword density?
- There is no single ideal number. Many writers aim to keep a target term natural, often around 1 to 2 percent, and avoid stuffing. Focus on readable, useful copy rather than hitting a specific figure.
- What are stop words and should I ignore them?
- Stop words are very common words such as the, and, of, and to that rarely carry meaning on their own. Ignoring them surfaces the words that actually describe your topic, which is usually more helpful for content analysis.
- How does the checker count words?
- It splits your text into lowercase tokens made of letters, digits, and apostrophes, so contractions like don't stay whole. Punctuation and symbols separate words and are not counted.
- Is my text sent anywhere?
- No. The analysis runs entirely in your browser. Your text is never uploaded or stored, so you can safely check drafts and private content.
- Why do two words show the same density?
- Words that appear the same number of times have the same density. When counts tie, the table lists them in alphabetical order so the ranking stays stable.
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