Free readability checker for text
Check blog posts, documents, and marketing copy with a readability checker that analyzes reading difficulty, highlights complex sentences, and provides structured results with notes, key points, and export options for content review.
How to Check Readability Score
Paste Text
Add articles, documents, or website copy to begin readability analysis with your selected content.
Analyze Content
iWeaver reviews text complexity, calculates readability metrics, and identifies difficult sentences.
Review Results
View scores, grade levels, improvement suggestions, and organized readability insights for editing.
Why Use a Readability Checker?
Flexible Inputs
Analyze plain text, articles, documents, and customer-facing content to understand reading difficulty across different writing formats.
Content Insights
Review readability scores, grade levels, sentence difficulty, and complex word patterns with clear explanations for content improvements.
Structured Outputs
Receive organized analysis results with readability metrics, notes, key points, and export-ready formats for future reference.
Efficient Reviews
Evaluate longer documents more effectively by locating challenging sections and focusing editing efforts where readers may struggle.
Knowledge Export
Save readability findings through supported export formats to maintain useful content reviews and revision records.
Use Cases for Readability Analysis
Blog Editing
Bloggers review long articles before publishing when paragraphs and sentences feel difficult for readers. iWeaver analyzes text readability, identifies complex sections, and delivers scores, notes, and structured feedback for editing.
Analyze Blog
Marketing Copy
Marketers check website copy and email campaigns when messaging needs clearer communication for customers. iWeaver examines readability levels, highlights difficult wording, and provides actionable results for improving content clarity and audience understanding.
Review Copy
Learning Materials
Teachers evaluate lessons, reports, and educational documents when reading levels must match student needs. iWeaver processes classroom materials, calculates readability scores, and returns grade level insights with review notes and structured results for adjustments.
Check Materials
Document Review
Editors analyze reports, documents, and written files when multiple sections require readability checks. iWeaver reviews content structure, detects challenging passages, and provides organized outputs with readability details for revision and export workflows.
Review DocumentsReadability Checker FAQ
Check Your Text Readability
Start analyzing text readability and receive structured feedback with your free daily usage opportunities.
Start Analysis