Text Readability Analyzer [2025]
Analyze text complexity and readability with multiple metrics, vocabulary analysis, and sentence structure statistics.
Primary Readability Scores
Flesch Reading Ease
0
Flesch-Kincaid
0
Gunning Fog
0
SMOG
0
Coleman-Liau
0
Dale-Chall
0
Basic Statistics
Words
0
Characters
0
Sentences
0
Paragraphs
0
Syllables
0
Complex Words
0
Averages
Words per Sentence
0
Syllables per Word
0
Characters per Word
0
Sentences per Paragraph
0
Vocabulary Analysis
Unique Words
0
Hard Words
0
Academic Words
0
Familiar Words
0
Stop Words
0
Sentence Structure
Simple vs Complex
Short vs Long
Passive Voice
0 (NaN%)
Transition Words
0
About Readability Metrics
Flesch Reading Ease
Scores from 0-100, with higher scores indicating easier reading. A score of 60-70 is considered ideal for most general audience content. The score considers sentence length and syllables per word.
Flesch-Kincaid Grade Level
Indicates the U.S. school grade level required to understand the text. For example, a score of 8.0 means the text is understandable by an eighth grader. Ideal for general audience content is grades 7-9.
SMOG Index
The Simple Measure of Gobbledygook (SMOG) estimates the years of education needed to understand a piece of writing. It's particularly accurate for checking health messages and materials requiring 100% comprehension.
Gunning Fog Index
Estimates the years of formal education needed to understand the text on first reading. A score of 12 indicates the reading level of a U.S. high school senior. Popular magazines aim for a score of 12 or lower.
Features and Analysis
Text Statistics
- Word, character, and sentence counts
- Syllable analysis and complex word detection
- Average lengths and distributions
- Paragraph structure analysis
Vocabulary Analysis
- Lexical density calculation
- Academic and familiar word detection
- Unique word analysis
- Stop word identification
Sentence Structure
- Simple vs. complex sentence detection
- Passive voice analysis
- Transition word usage
- Sentence length distribution
Readability Scores
- Multiple readability metrics
- Grade level estimates
- Reading ease assessment
- Text complexity analysis
Use Cases
Content Creation
Writers and content creators can ensure their content matches their target audience's reading level. Analyze drafts to maintain consistent readability across all materials.
Education
Teachers can verify that learning materials match their students' grade level. Students can check their writing meets assignment requirements for complexity and clarity.
Professional Writing
Technical writers can ensure documentation is appropriate for their audience. Businesses can maintain consistency in their communication materials.
Tips for Improving Readability
- Keep sentences short and vary their length
- Use familiar words when possible
- Break up long paragraphs
- Minimize passive voice usage
- Use transition words effectively
- Match vocabulary to your audience
- Consider your target grade level
- Test multiple versions of important content
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