Keyword Density Checker — Word & Phrase Frequency

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About the Keyword Density Checker

Keyword density measures how often each word or phrase appears relative to your total word count. It's a fast way for writers and SEOs to see what a page is genuinely about, spot repetition, and check that the terms you want to rank for actually show up — without any guesswork. Switch between single words and two- or three-word phrases to see both your broad topics and your specific key phrases.

There's no ideal percentage. Write for people first; density is a diagnostic, not a target.

Avoid keyword stuffing — repeating a phrase unnaturally can hurt rankings, not help them.

Use 2- and 3-word phrases to check long-tail keywords and natural language variations.

Turn off “remove common words” if you want the raw frequency of every token.

How it works

Three steps. No sign-up, no upload, no wait.

Paste your content

Drop in an article, product description, or page copy you want to analyse.

Pick phrase length

Choose single words, two-word, or three-word phrases, and hide common filler words if you like.

Read the table

See your most-used terms ranked by count and density, updated as you type.

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Frequently Asked Questions

What is keyword density? ▼

Keyword density is how often a word or phrase appears as a share of the total words. If a 500-word article uses “running shoes” 10 times, that phrase has a density of 2%. It's a quick way to see what your text is really about.

What is the ideal keyword density for SEO? ▼

There is no magic number. Modern search engines understand topics and synonyms, so chasing a specific percentage does more harm than good. Write naturally — if a keyword reads as forced or repeated unnaturally, that's keyword stuffing and can hurt your rankings.

What does “remove common words” do? ▼

It filters out stopwords like the, and, of, to, is that appear in almost every sentence. Hiding them surfaces the meaningful terms that actually describe your topic. For phrases, only phrases made entirely of stopwords are dropped.

What are 2-word and 3-word phrases for? ▼

Single words tell you your dominant topics; two- and three-word phrases (n-grams) reveal the exact key phrases and long-tail terms you're emphasising — often more useful for SEO than isolated words.

Is my text sent anywhere? ▼

No. Everything runs in your browser — your content never leaves your device and nothing is uploaded.