Free browser-based readability analyzer. 8 formulas, sentiment analysis, keyword extraction, SEO scoring. Privacy-first — runs entirely client-side.
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Updated
Mar 8, 2026 - JavaScript
Free browser-based readability analyzer. 8 formulas, sentiment analysis, keyword extraction, SEO scoring. Privacy-first — runs entirely client-side.
program that computes the approximate grade level needed to comprehend some text by the Coleman-Liau index. The Coleman-Liau index of a text is designed to output what (U.S.) grade level is needed to understand the text.
Add a description, image, and links to the grade-level topic page so that developers can more easily learn about it.
To associate your repository with the grade-level topic, visit your repo's landing page and select "manage topics."