Keyword Density Checker
Analyse text and show the most frequent words and their density.
How to use the Keyword Density Checker
Enter your values and pick a mode if the tool offers one.
Click calculate — results appear instantly, computed in your browser.
Copy the result or save the tool to your favorites.
Frequently asked questions
How often a word appears relative to the total word count, as a percentage.
There is no magic number; natural writing matters more than hitting a target.
Very short words (1–2 letters) are skipped to surface meaningful terms.
The top 10 by frequency.
Entirely in your browser.
About the Keyword Density Checker
This tool analyses a block of text and shows which words appear most often, along with each word's density, the percentage of the total word count it represents. It is a quick way to see what your content actually emphasises, which is useful for writing, editing, and search engine optimisation.
What keyword density means
Keyword density is the proportion of a text made up by a particular word or phrase. If an article of two hundred words uses the word coffee ten times, coffee has a density of five percent. The concept comes from search engine optimisation, where writers want their content to clearly be about its topic without overusing any single term. Seeing the actual distribution of words helps you judge whether your writing focuses where you intend.
How it relates to modern SEO
It is important to be honest about how search engines work today. There is no magic keyword density that guarantees rankings, and the old practice of stuffing a target phrase into text as often as possible now does more harm than good, because search engines detect and penalise unnatural repetition. Modern algorithms understand topics and synonyms, not just exact word counts. What density analysis genuinely offers is a check against accidental over-optimisation and a way to confirm your content naturally covers its subject, not a target to hit.
How the tool works
The tool counts every word in your text, ignores very short words that carry little meaning, and ranks the rest by frequency, showing the top terms with their counts and densities. This surface-level view reveals at a glance whether one word dominates, whether your intended topic actually appears prominently, or whether filler words are crowding out substance.
Using the results well
Treat high density as a prompt to check, not a verdict. If a keyword appears unnaturally often, vary your language with synonyms and related terms, which reads better and matches how search engines now evaluate relevance. If your main topic barely appears, the content may be drifting. The goal is natural, focused writing that serves the reader first; density is just a lens for spotting problems.
Privacy and related tools
Your text is analysed in your browser and never uploaded, so unpublished drafts stay private. To check overall length see the Word Counter, and to build optimised page metadata the Meta Tag Generator. Analysis is instant.