Free online Analysis tool
Word Frequency & Keyword Density
Analyze word frequency and calculate keyword density percentages. Free keyword frequency counter breaks down 1-word, 2-word, and 3-word n-grams in real time.
What this Word Frequency & Keyword Density does
Extract 1-word, 2-word, and 3-word phrase frequency, keyword frequency counts, and keyword density percentages in real time. This browser-based tool is designed for the specific task described above, with the result available directly on this page.
Use the tool first, then review the result and adjust the input when needed. For estimates or heuristic checks, compare the output with the requirements of your document, platform, publisher, school, employer, or other destination.
How to use Word Frequency & Keyword Density
- Open the tool and enter or paste the text or values you want to analyze.
- Choose any available options that match your task.
- Review the result, copy it, or continue with a related tool.
Frequently Asked Questions
What is a word frequency counter?
A word frequency counter calculates how many times each distinct word or phrase appears in a piece of text and computes its percentage share of total words.
How does keyword frequency calculation help SEO?
Tracking keyword frequency ensures that your primary search terms appear frequently enough to establish topical relevance without crossing into unnatural keyword stuffing.
Does this tool support 2-word and 3-word phrases?
Yes. Our tool calculates frequencies for single words as well as 2-word bigrams and 3-word trigrams with automatic stopword filtering.
What to do next
Count and understand my text · Improve an essay or article · Prepare content for SEO
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Related Analysis
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- Duplicate Word Finder & Repetition — Highlight consecutive duplicate words and overused phrases to clean up repetitive writing.
- Writing Quality & Flow Checker — Inspect writing flow, sentence variety, passive voice frequency, filler words, and style signals.
- Advanced Readability Checker — Calculate Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, Coleman-Liau, SMOG, and ARI grade-level scores.
- SEO Content Analyzer — Audit word count, keyword density, readability, heading structure, and on-page content depth before publishing.
Topics: Word Frequency & Keyword Density Analysis Extract 1-word, 2-word, and 3-word phrase frequency, keyword frequency counts, and keyword density percentages in real time.