Online Sentence Case Converter
Automatically capitalize the first letter of every sentence in your text. Perfect for repairing essays, articles, and transcriptions in seconds.
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Standard Cases
(6 formats)Developer Cases
(6 code conventions)Bonus
(3 operations)Converted Result
TEXT STATISTICS
Live Document Telemetry0
Characters
0
Words
0
Sentences
0
Lines
0
Paragraphs
0s
Read Time
FAQ
Sentence Case Questions & Answers
What is Sentence Case?
Sentence case is the standard capitalization style used in ordinary English prose, articles, books, and body copy. Only the first letter of the first word in each sentence is capitalized, along with proper nouns and the personal pronoun 'I'.
How does the converter identify sentence beginnings?
Our sentence case algorithm analyzes sentence-ending punctuation marks (periods, question marks, and exclamation marks) followed by whitespace, newlines, or quotation marks, and capitalizes the subsequent letter.
Does it capitalize the pronoun 'I'?
Yes. Our algorithm automatically capitalizes stand-alone 'I' and contractions like 'I'm', 'I've', 'I'll', and 'I'd'.
Is there a limit on text length?
No. You can paste entire essays, transcripts, or articles. Processing executes in milliseconds inside your local browser memory.
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