Punctuation Checker
Check your text for punctuation errors — missing commas, incorrect apostrophes, double spaces, quotation marks and more. Get a punctuation score instantly.
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📖 Punctuation Reference Guide
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Period / Full Stop
Ends a declarative sentence or abbreviation.
She runs fast. Dr. Smith arrived.
,
Comma
Separates clauses, items in a list, or introduces a pause.
I like cats, dogs, and birds.
;
Semicolon
Connects two related independent clauses.
I came; I saw; I conquered.
:
Colon
Introduces a list, explanation, or quotation.
Bring these: pen, paper, eraser.
‘
Apostrophe
Shows possession or marks omitted letters.
John’s book. Don’t worry.
“
Quotation Marks
Encloses direct speech or quoted material.
“Hello,” she said.
!
Exclamation Mark
Expresses strong emotion or emphasis.
Watch out! That’s amazing!
?
Question Mark
Ends an interrogative sentence.
Where are you going?
—
Em Dash
Indicates a break or introduces extra info.
She was happy—truly happy.
…
Ellipsis
Indicates omitted text or trailing off.
I was thinking… never mind.
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