Spell Checker
Paste your text to find misspelled words. Runs entirely in your browser using a bundled English dictionary — nothing is sent anywhere.
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Spell Checker
Find misspelled words
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Grammar Checker
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Readability
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Spell Checker — Instant, Private, Free
Paste any text into the box above and this tool flags every word that isn't in its English dictionary. It runs entirely in your browser — your text never leaves your device.
How it works
- Loads a 275,000-word English dictionary from a CDN (one-time, cached)
- Flags any word not in the dictionary
- Skips capitalized words (proper nouns) and words containing digits
- No signup, no limits, no data retention
For more polish, try the grammar checker, punctuation checker and readability checker.