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Paste your article or page copy to see keyword and phrase density, check a focus keyword, and catch keyword stuffing before you publish.
Keyword Density Checker on ToolBesty is a free online SEO tool: copy and paste an article, blog post, or landing page and instantly see how often each keyword and 2–3 word phrase appears, as a count and a percentage of total words. Add a focus keyword to check its density and get a clear warning when repetition drifts into keyword stuffing. Analysis runs in your browser, so drafts are never uploaded.
Keyword density is the number of times a term appears divided by the total word count, multiplied by 100. For a phrase, each occurrence counts once per word in the phrase, so a 3-word keyword used 5 times in a 500-word article covers 15 of 500 words — a 3% density. The checker applies the same formula to single words and to 2-word and 3-word phrases, which is where most real search queries live (for example “keyword density checker” rather than just “keyword”).
There is no official “perfect” keyword density, and Google does not rank pages by a percentage. In practice, a main keyword that shows up naturally in the title, first paragraph, a heading, and a few times in the body usually lands somewhere around 0.5–2.5%. Once a single term climbs above roughly 3%, copy often starts to read as repetitive, and heavy repetition can count as keyword stuffing under Google’s spam policies. Use the high-density flag as a prompt to swap in synonyms, related terms, or pronouns — not as a score to hit.
Turn on “Ignore stop words” to hide filler like “the”, “and”, and “for” so the list shows the terms that actually describe your page. Switch to phrases to find accidental repetition of the same 2–3 word chunk, then copy the table as CSV for a content brief or SEO audit. Pair it with Word Counter for length and reading time, or Find & Replace to swap an overused phrase in one pass.
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Paste the full article or page copy. Word count, unique words, and characters update as you type.
Switch between single keywords, 2-word, and 3-word phrases. Terms above 3% density are highlighted as high.
Type the keyword you want to rank for to see its count and density, then edit your copy and re-check.
Confirm the target keyword actually appears in the draft and is not repeated so often that it reads unnaturally.
Paste older pages or competitor copy to spot over-optimized terms and phrases that may hurt readability.
Export the phrase table as CSV to share top terms and densities with writers or clients.
Tip: after you finish, check Related tools at the bottom of this page for the next step in your workflow.
Quick answers about tools, privacy, limits, and pricing.
Paste your text into the checker. It counts every keyword and 2–3 word phrase, divides by the total number of words, and shows the result as a percentage. Enter a focus keyword to see its exact count and density.
There is no fixed rule. Around 0.5–2.5% for a main keyword is typical of natural writing. Above about 3% copy tends to feel repetitive; write for readers first and use related terms instead of repeating one phrase.
Keyword density = (number of times the keyword appears × words in the keyword) ÷ total words × 100. A 2-word keyword used 10 times in 1,000 words is 20 ÷ 1,000 × 100 = 2%.
Yes. Any keyword or phrase above 3% density is flagged as high, and the focus keyword check warns when your target term crosses that line. It is a guide, not a Google penalty detector.
Not directly. Google looks at relevance and helpfulness, not a target percentage. Density is still useful to make sure the topic is clearly stated and to avoid spammy repetition.
Common words such as “the”, “and”, “of”, and “for”. They are ignored by default so the keyword list focuses on meaningful terms; untick the option to include them.
Yes. Keyword Density Checker is free to use on ToolBesty. Guests and free accounts may have daily limits on some tools; premium tiers can raise or remove those limits. AI tools may also spend credits.
For browser-based tools, processing runs on your device when possible and files are not uploaded for conversion. Optional accounts, usage limits, and AI features are described in our Privacy Policy.
No for most tools — you can start as a guest. An account helps keep higher daily limits and saved work (for example AI resumes).
Close other heavy tabs, use a smaller input file, and try Chrome or Edge on desktop. Very large files can stress browser memory.
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