Paste your content to see which words and phrases you use most, and whether you are over-optimising. All in your browser, nothing is uploaded.
Keyword density is how often a word or phrase appears relative to your total word count. It is a quick way to check you are actually writing about your topic, without stuffing the same term so often it reads badly and risks looking spammy. This free checker breaks your content into top words and two and three-word phrases, with counts and percentages, entirely in your browser.
An article, landing page or post, anything you are optimising.
Top single words plus 2 and 3-word phrases, with counts and density.
If your main term is very high, vary your language so it reads naturally.
This calculator is a taste of what Klairova does. Run real campaigns, track every click to every sale, send rate cards and invoices, and get paid in 160+ currencies. Free to use.
There is no magic number, but somewhere around 1–2% for your main term is a common, safe range. Far more important is that the content reads naturally; modern search engines reward helpful writing, not repetition.
Stuffing a keyword to hit a percentage can, yes, it reads badly and can look manipulative. Use this tool to catch accidental over-use, not to chase a target number.
On Klairova you can write and publish blog posts and pages with editable SEO settings, then track which content actually drives clicks and sales.