Free Grammar & Style Checker
Rule-based checks for mechanics, passive voice, filler words, clichés, and readability — private, instant, and free. Nothing leaves your browser.
Your Text
Paste at least 10 words to run the checks.
This is a rule-based checker — it catches mechanical slips and style patterns, not every grammatical error. For a final manuscript, pair it with a human proofread. Your text is processed entirely in your browser and never uploaded.
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Frequently Asked Questions
Does this catch every grammar mistake?
No — it's a rule-based checker for mechanical slips, passive voice, filler words, and clichés. For a final manuscript, pair it with a human proofread.
Is my text uploaded anywhere?
No — every check runs locally in your browser; nothing is sent to a server.
What does the Clarity Score measure?
A 0-100 estimate that weighs how many mechanical errors and style warnings appear relative to your text length — higher is cleaner.