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About Keyword Density Checker
Keyword Density Checker calculates how often a word or phrase appears in your content as a percentage of the total word count. Search engines have used this signal for years to understand what a page is about, and checking it helps writers confirm their content stays focused on the topics they want to rank for.
That said, chasing a specific density number can backfire. Repeating a keyword unnaturally, a practice known as keyword stuffing, makes content harder to read and can hurt rankings instead of helping them. This tool is meant to give you a quick reference, not a target to force your writing around.
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How to Use
Paste your article or content into the text box.
Choose whether to analyze single words or two-word phrases using the mode selector.
Toggle "Exclude common words" to filter out filler words like "the" and "and" from the results.
Review the Top Keywords table for count and density percentage of each term.
Adjust your content and re-check the results as needed.
Benefits of Keyword Density Checker
Instant Analysis
See word and phrase frequency update instantly as you type or paste content.
Privacy Focused
Your content stays inside your browser with client-side processing.
Free Forever
Use Neuctra Tools without subscriptions or hidden charges.
Better SEO Content
Spot over-used or under-used keywords before you publish your content.
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Who Uses This Tool?
This tool is useful for:
SEO specialists auditing on-page content
Content writers checking keyword usage
Bloggers optimizing posts before publishing
Digital marketers reviewing landing page copy
Students and researchers analyzing text samples
Editors checking for repetitive phrasing
Yes, Keyword Density Checker is completely free with no registration required. Neuctra Tools analyzes word and phrase frequency directly in your browser, with unlimited use and no hidden fees for checking articles, blog posts, or landing pages.
No, your text never leaves your browser. Keyword Density Checker processes everything locally using client-side JavaScript, so your content is never uploaded to a server, which makes it safe to check unpublished drafts.
Keyword density is the ratio of how many times a word or phrase appears in a piece of content compared to its total word count, expressed as a percentage. Keyword Density Checker calculates this automatically for every word and two-word phrase in your text, ranking results from most to least frequent.
Most well-ranking pages keep their primary keyword's density between roughly 0.5% and 2% of the total word count. For a 1,000 word article, that generally means using the exact keyword phrase somewhere between 5 and 20 times, spread naturally throughout the text rather than clustered together.
Paste your article into Keyword Density Checker and review the density percentage next to each word or phrase. A density well above 2% for a single term is a strong sign of keyword stuffing, a practice that can make content read unnaturally and hurt rather than help SEO performance.
Yes, switch the mode selector to Two-Word Phrases to see how often word pairs and short phrases appear in your content. This helps writers spot repeated long-tail keyword phrases that single-word analysis alone would miss.
Yes, in most cases. Keyword Density Checker excludes common stopwords by default so the results highlight meaningful keywords instead of filler words, giving you a clearer picture of which topics and terms actually dominate your content.
Yes, Keyword Density Checker works on desktop, tablet, and mobile browsers with no installation needed. You can paste and analyze content from any device to check keyword frequency before publishing.
