Word Frequency Counter
See how often each word appears in your text, ranked from most to least frequent.
The Word Frequency Counter ranks every word in your text from most to least frequent. It is a quick way to spot repetition and understand the vocabulary of a piece.
What is Word Frequency?
Word frequency measures how often each word appears in a text. This analysis is used in linguistics, natural language processing, SEO, and content writing to identify the most common terms and understand text characteristics. Researchers analyze speech patterns and language evolution, marketers assess audience engagement, educators evaluate text complexity, and developers build search indexes and autocomplete features. The frequency distribution often follows Zipf's law, where a few words appear very often while most words are rare, making it a powerful diagnostic for text structure and intent. It helps you spot repetition in a draft at a glance.
High-frequency words often reveal the main topics of a document. In SEO, for instance, word frequency analysis helps determine keyword density and identify important terms that should be emphasized or optimized. In language learning, it helps prioritize which vocabulary to study first. The tool's algorithm extracts words by splitting text on non-letter characters, converts all to lowercase for consistent counting, tallies occurrences in a JavaScript object, then sorts the entries by count in descending order. This simple but effective approach handles most English text efficiently and accurately, producing a ranked list that immediately shows which terms dominate the content.
Our tool processes text entirely in your browser using pure JavaScript with no server communication. The implementation uses text.toLowerCase().match(/[a-z]+/g) to extract only alphabetic words (ignoring numbers and punctuation), creates a frequency object by iterating once through the words array, sorts entries by frequency descending with a custom comparator, and displays the top results along with the total count of unique words. Since all processing happens locally, your content remains private and the tool is completely free with no limits on text length or usage frequency. The sorted list makes it easy to find the most common terms at a glance.
How to use this Word Frequency Counter
- Paste or type your text into the input field above.
- The word frequencies are calculated automatically as you type.
- The results show each word with its count, sorted from most to least frequent.
- Click the result box to copy the entire frequency list to your clipboard.
FAQ
What is word frequency?
Word frequency is the count of how many times each word appears in a piece of text. It's used in linguistics, text analysis, and SEO to identify common terms.
How are words counted?
Words are extracted by splitting text on non-letter characters, converted to lowercase for consistent counting, and then tallied. The results are sorted by frequency in descending order.
Does the word frequency tool send my text anywhere?
No. This tool runs entirely in your browser using JavaScript. The text is processed locally on your device with no network requests.
Is this counter free?
Yes, completely free with no limits on text length or usage.