Sentence Case Converter — Convert Text to Sentence Case Free
Convert text to sentence case — first letter of each sentence capitalized, all others lowercase. Free, instant, browser-based.
Sentence case capitalizes the first letter of each sentence and lowercases everything else. It is the standard capitalization style for body text, UI labels, and modern editorial copy.
Frequently Asked Questions
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What is Sentence Case Converter — Capitalize First Letter of Each Sentence?
A sentence case converter formats text so each sentence begins with one capital letter and all other letters are lowercase — the standard format for normal prose. It detects sentence boundaries (period, exclamation mark, question mark followed by a space) and capitalizes the first letter of each new sentence. Useful for fixing all-caps text or over-capitalized content.
How to Use Sentence Case Converter — Capitalize First Letter of Each Sentence
- 1Paste your text into the input field.
- 2The sentence case version appears instantly.
- 3Review the output to verify sentence boundaries were detected correctly.
- 4Copy the result with one click.
Key Features
- Capitalizes the first letter of each sentence
- Lowercases all other letters
- Detects period, !, and ? as sentence boundaries
- Preserves proper nouns if already capitalized
- One-click copy
Benefits
- Fix all-caps or improperly capitalized text
- Normalize body text formatting quickly
- Prepare text for CMS publishing
Why Use Irreva for Sentence Case Converter — Capitalize First Letter of Each Sentence?
Fix all-caps or improperly capitalized text
Normalize body text formatting quickly
Prepare text for CMS publishing
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Works on any device: desktop, tablet, or mobile.