Free Online Keyword Density Checker Tool
The Keyword Density Checker analyzes your text to calculate how frequently each keyword appears, expressed as a percentage of the total word count. This tool is ideal for writers, SEO specialists, and content creators who want to optimize their writing by understanding keyword prominence and avoiding keyword stuffing. It works entirely in your browser — fast, private, and accurate — without sending your data anywhere.
Example:
Input: The quick brown fox jumps over the lazy dog. The fox is quick.
Output:
the — 22.22%
quick — 22.22%
fox — 22.22%
jumps — 11.11%
over — 11.11%
lazy — 11.11%