Free Online Writing and Readability Analyzer

Lumos Write Metrics is an innovative writing and readability analyzer that helps you to quickly test the spelling, grammar, and readability of your text and shows you areas of improvement. Powered by sophisticated Artificial Intelligence and Machine Learning algorithms, it helps you take control of your content, resulting in improved readability, which improves audience engagement.

It creates an insightful and actionable report tracking down long sentences in your content, word count, sentence count, syllables count, grammatical errors count, spelling errors count, etc, and assigns readability scoring.

Specially for K-12 educators, we offer a robust standards-aligned online writing program to help you develop proficient writers who also excel in state assessments.
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Getting Started


Simply enter the text you wish to analyze in the box and press the Show Write Metrics Report button. Try it now!