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Free Grammar & Spell Checker

Check spelling against a real dictionary and flag passive voice, weasel words, clichés and wordy phrases. Nothing leaves your browser.

What this does: checks your text against an open-source English dictionary for misspelled words (with suggested corrections), and flags common style issues like passive voice, weasel words, wordy phrases and clichés using rule-based heuristics. This is not an AI-powered contextual grammar corrector: it will not catch every grammar mistake, only dictionary misspellings and the specific style patterns listed above. Runs entirely in your browser; no signup, nothing uploaded.

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Spelling (click an underlined word for suggestions)
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Style suggestions

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Frequently asked questions

Is this a full AI grammar corrector like Grammarly?

No. This tool combines a real, dictionary-based spell checker with rule-based style heuristics for things like passive voice, weasel words, and wordy phrases. It is not a contextual AI grammar corrector, so it will not catch grammar mistakes that depend on meaning or sentence structure, only misspelled words and the specific style patterns it looks for.

What kinds of issues does the style checker flag?

It flags passive voice, weasel words (vague qualifiers like "many" or "some"), wordy or redundant phrases, and common clichés, using an open-source rule-based heuristic. Because it is pattern-based rather than AI-based, it can occasionally miss real issues or flag phrases that are actually fine in context.

Is my text uploaded to a server?

No. The dictionary is loaded into your browser and every check runs locally on your device. Your text is never sent anywhere, and there is no signup.