ReadabilityPro

What it does

Analyzes content with multiple readability formulas, SEO factors like keyword density and heading structure, and writing-style issues such as passive voice. Offers real-time suggestions and keeps analysis private in the browser with local history.

Features

• Flesch, Flesch-Kincaid, SMOG
• Keyword density analysis
• Heading structure checks
• Passive voice detection
• Private browser-side analysis

Best for

Writers and SEO professionals.

Shelved under

ReadabilityPro is an independent website. Tools Lib lists it; features and pricing are set by its makers and can change.