See top keywords and phrases with counts and density — for SEO.
Analyse keyword density for SEO: see the most-used words, two-word phrases, and three-word phrases with their counts and percentage density. Optionally ignore common stop words. Aim for a natural 1–2% on your target keyword. Runs in your browser.
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There is no magic number, and chasing one is counterproductive. Modern search engines evaluate topical relevance rather than counting repetitions. If your main term lands somewhere around 1–2% naturally, that is fine. Writing to hit a percentage produces stilted copy that reads worse and ranks no better.
Yes. Repeating a phrase unnaturally is an explicit spam signal and has been for well over a decade. The genuine use for a density check is the opposite direction: spotting that you have written 1,500 words about a topic without ever using the phrase people actually search for.
Because that is closer to how people search. Single words are too broad to be meaningful, while phrases reveal what your page is actually about and whether it matches real search intent. They also surface unintentional repetition — the same stock phrase opening five consecutive paragraphs.
Yes, Keyword Density Checker is completely free. No signup, no account, and no watermark on outputs. A Pro tier is available for 100 AI ops/day and larger file sizes.
Keyword Density Checker runs entirely in your browser. Your file is never uploaded — it is read, processed and saved locally, so it never reaches our servers or anyone else's. You can disconnect from the internet after the page loads and it still works.
What it measures: Keyword density is how often a word or phrase appears as a percentage of all words (or phrases of that length). It’s a quick way to see what a page is really “about”.
Healthy range: For your primary keyword, a natural 1–2% is typical. Much higher can look like keyword stuffing to search engines; much lower may mean the topic isn’t clear enough.
Phrases matter: Two- and three-word phrases (“content marketing”, “best running shoes”) often reflect real search intent better than single words.
Privacy: Everything is computed locally in your browser. Your content is never uploaded and the tool works offline.