Calculate Flesch Reading Ease, grade level readability, sentence complexity, and generate clear, simplified rewrites.
Click "Run AI Readability & Sentence Audit" to generate target audience analysis, complex sentence breakdowns, and 1-click simplified rewrites.
Paste text to see estimated reading ease, grade level, word count, and reading time. Optionally request an online sentence audit and audience-specific rewrites, then compare the suggestions with your original.
Fast and easy from start to finish
Paste your passage and inspect the live metrics.
Request the optional audit if you want feedback and rewrites.
Check that suggested changes preserve meaning before copying.
What you can do with this tool
Live text metrics: See word and sentence counts and reading-time estimates.
Reading scores: Review estimated reading ease and grade level.
Optional audit: Request sentence-level feedback online.
Rewrite views: Compare the available audience-specific suggestions.
File requirements, capabilities, and system limits
The syllable estimate is based on English letter patterns. Scores may be less useful for other languages or specialist terminology.
Answers to common questions about Text Readability & Grade Level Assessor
No. They use formulas and an approximate syllable count. They cannot measure an individual reader's knowledge or understanding.
The live counts and formulas run in the browser. The optional AI audit sends the text online; a local fallback can provide simpler suggestions.
Popular companion tools to edit and enhance your projects