📌 Overview

Analyze any text and see how often each word appears. Great for SEO keyword density, essay vocabulary checks, and content optimization. Works for English words and Chinese characters.

📊 Word Frequency Counter

Analyze any text and see how often each word appears. Great for SEO keyword density, essay vocabulary checks, and content optimization. Works for English words and Chinese characters.

Enter text and click Count.
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📖 Deep Dive: Word Frequency Counter

Why word frequency matters

Word frequency is a basic tool for content optimization and language learning. It quickly shows which words appear most in a text, helping you judge whether your keyword density is healthy and whether your vocabulary is too repetitive.

How it works

The tool splits text into tokens (English and digits by word, Chinese by character) and counts each token with a hash map, then sorts the top N by frequency and shows each one's share.

A quick example

Paste a blog post you are about to publish and the count shows your target keyword appears 18 times out of 600 tokens - a 3% density, within the healthy range. At the same time you might notice one adverb repeated 40 times and can swap some out.

Common pitfalls

  • Looking only at raw counts and ignoring share makes density hard to judge.
  • Splitting Chinese by word fails; it must be handled character by character.
  • Counting common stop words (such as "the") inflates results and distorts keyword analysis.