A word frequency counter analyzes a block of text and tells you how often each unique word appears, sorted from most to least frequent. It is an invaluable tool for content writers checking keyword density, researchers doing text analysis, and developers building NLP pipelines.
What is Word Frequency Analysis?
Word frequency analysis (also called term frequency analysis) counts the number of times each distinct word appears in a document. The result is typically presented as a ranked list showing each word alongside its count and, optionally, its percentage of the total word count.
This type of analysis has a wide range of applications:
- SEO content writing - verifying that target keywords appear the right number of times in an article without over-optimizing.
- Academic research - identifying the most important terms in a corpus of texts.
- Language learning - understanding which words are most important to learn in a text.
- Plagiarism detection - comparing word distributions between documents.
- UI/UX copywriting - identifying overused words and replacing them with synonyms.
How to Use the Word Frequency Counter
- Paste your text - type or paste any amount of text into the input field. The tool accepts documents of any length.
- View the frequency table - after pasting, the tool displays a sorted table showing each unique word and how many times it appears.
- Sort or filter - sort by frequency (highest to lowest) or alphabetically to find specific words quickly.
Common Use Cases
- Checking keyword density in a blog post or landing page for SEO
- Analyzing which words appear most in customer reviews or support tickets
- Identifying filler words and redundant phrases in long-form writing
- Verifying translation quality by comparing source and target word distributions
- Building word clouds from a text corpus
- Studying vocabulary usage in literature or academic papers
Frequently Asked Questions
Does it count words case-insensitively? Yes. "The," "the," and "THE" are all counted as the same word. This gives you a more accurate picture of true word frequency regardless of capitalization.
Are punctuation marks included as words? No. The tool strips punctuation before counting, so "hello," and "hello." both count as the same word "hello."
Can I use it to check keyword density for SEO? Yes. Divide a keyword's count by the total word count and multiply by 100 to get the keyword density percentage. A density between 1% and 3% is generally considered healthy for SEO.
Does it handle non-English text? Yes. The tool uses whitespace as the word boundary and works correctly for any left-to-right language. The only limitation is that languages without spaces between words (like Chinese or Japanese) may not produce meaningful results.
Use the Word Frequency Counter free, no sign-up required.