Our free readability analyzer uses industry-standard algorithms to help you write content that is clear, engaging, and accessible. Whether you are an author, SEO specialist, teacher, student, or technical writer, understanding these metrics is key to reaching your audience.
The Flesch-Kincaid Grade Level translates a score into a U.S. school grade level. For example, a score of 8.0 means the text is understandable for an 8th-grade student. For general web content, aiming for a Grade 7 to 9 is often ideal for maximum reach. Your text scored -.
The Flesch Reading Ease score rates text on a 100-point scale. The higher the score, the easier it is to understand. A score of 60-70 is considered standard for plain English. Your text scored -.
The Gunning Fog Index estimates the years of formal education a person needs to understand the text on the first reading. It places a heavy emphasis on "complex words"βwords with three or more syllables. Use our live highlighter to identify and simplify these words in real-time. Ideally, a score of 6 to 11 is best for a wide audience. Your text scored -.
The SMOG Index (Simple Measure of Gobbledygook) is widely used in healthcare to ensure patient materials are readable. It estimates the years of education needed to understand a piece of writing. For consumer healthcare content, a score of 6 to 8 is recommended. Your text scored -.
The Coleman-Liau Index relies on characters per word rather than syllables. It is often used for automated assessment of text where syllable counting might be inaccurate. Like other grade-level metrics, a score of 7 to 9 is ideal for general audiences. Your text scored -.
The ARI produces an approximate representation of the U.S. grade level needed to comprehend the text. It is similar to Flesch-Kincaid but uses character count instead of syllables. Aim for a score of 7 to 9 for broad readability. Your text scored -.
Unlike other formulas that use math-based syllable counts, the Dale-Chall Readability Formula uses a lookup list of 3,000 familiar words. This makes it one of the most accurate tools for assessing text meant for children or non-native English speakers. A score below 7.0 is generally suitable for a broad audience. Your text scored -.
Nowhere but your own computer. We use localStorage to keep your drafts safe between sessions, but we never upload your text to a server.
Our engine uses the industry-standard mathematical formulas for all 11 indices. However, language is nuanced, so these should be used as professional guides rather than absolute rules.
Absolutely. We provide APA and MLA citations in the footer to help you credit the tool in your research papers or case studies.