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ReadCheck

Readability Checker & Writing Score

Analyze readability with 5 formulas, Hemingway-style highlighting, and AI-powered rewrite suggestions. Pick any element on the page or use the built-in editor.

Add to Chrome — FreePrivacy-first

Features

5 readability formulas (Flesch, Gunning Fog, ARI, SMOG, and more)

Writing quality metrics: hard sentences, passive voice, adverbs

Picker mode — click any element on any page to analyze

Built-in editor with live readability analysis

AI-powered rewrites and grammar suggestions

Keyword density analysis — 30+ languages