Free Spelling Check Online
Find and fix spelling mistakes, typos, and commonly confused words. AI-powered spell checker that works in any app.
✓ Free to use ✓ No sign-up required ✓ 15 checks/day
What Our Spell Checker Finds
Spelling Mistakes
Catch misspelled words like "recieve" → "receive" and "definately" → "definitely".
Typos
Find keyboard typos and missing letters before they embarrass you.
Confused Words
Detect their/there/they're, your/you're, its/it's, and other commonly confused words.
Grammar Too
Get grammar and tone checking included with every spell check.
Commonly Misspelled Words We Catch
"I recieved your message."
"I received your message."
"I definately agree."
"I definitely agree."
"Their going to the meeting."
"They're going to the meeting."
"Your the best!"
"You're the best!"
"The accomodation was great."
"The accommodation was great."
"I'm looking forward to your reponse."
"I'm looking forward to your response."
Commonly Confused Words
ToneCheck uses context to detect these tricky word pairs:
Their = possession, There = location, They're = they are
Your = possession, You're = you are
Its = possession, It's = it is
Affect = verb (to influence), Effect = noun (result)
Than = comparison, Then = time/sequence
Lose = to misplace, Loose = not tight
Spelling Check FAQ
What is a spell checker?
A spell checker is a tool that identifies and corrects spelling mistakes in your text. ToneCheck's spell checker uses AI to catch typos, misspelled words, and commonly confused words like their/there/they're.
Is the spelling check free?
Yes! ToneCheck offers free spelling checking with 15 checks per day. No sign-up required. Spelling check is included with grammar and tone analysis.
Does it catch commonly confused words?
Yes! ToneCheck catches commonly confused words like their/there/they're, your/you're, its/it's, affect/effect, and many more. It uses context to determine the correct spelling.
Can I use the spell checker on my iPhone?
Yes! ToneCheck has an iOS app with a custom keyboard that provides spell checking directly in WhatsApp, Slack, iMessage, Email, and any other app.
How is this different from my phone's spell check?
Unlike basic spell checkers, ToneCheck uses AI to understand context. It catches errors that regular spell checkers miss, like using "their" when you meant "they're", and also checks grammar and tone.
Does it work for British and American English?
Yes! ToneCheck supports both British and American English spelling conventions and won't flag valid regional spellings as errors.
Spell Check in Any App
Download ToneCheck for iOS to check spelling directly in WhatsApp, Slack, iMessage, Email, and any other app.