Free Tool

Readability Score Analyzer

Upload a PDF, Word document, or paste text to check reading level with Flesch-Kincaid, Gunning Fog, SMOG, and Coleman-Liau formulas. Perfect for ensuring your training materials match your audience.

100% Client-Side Analysis

All text analysis happens directly in your browser. Your content is never uploaded to any server.

0 words

Enter text or upload a document to see readability scores

About Readability Scores

  • Flesch-Kincaid: US grade level needed to understand the text.
  • Flesch Ease: 0-100 score; higher means easier to read.
  • Gunning Fog: Years of education needed.
  • SMOG: Best for healthcare and technical content.
  • Coleman-Liau: Based on characters, not syllables.

Tip: Aim for grade 7-8 for general audiences.

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