Sentence Case Converter
Convert text to clean Sentence case in one click — only the first word and proper nouns capitalized.
What is Sentence Case Converter?
Modern web style favors Sentence case but you've inherited a doc full of Title Case headlines. Lowering every word manually except the first is tedious.
Paste any text and get clean Sentence case output instantly.
If you're modernizing brand voice, you switch from old-school Title Case to friendlier Sentence case. If you're writing UI copy, you match the case style most modern apps use. If you're prepping email previews, you keep subject lines feeling conversational.
How to use Sentence Case Converter
Four steps. No setup, no signup.
Step 1
Paste your over-capitalized text
Step 2
See the Sentence case version instantly
Step 3
Manually re-capitalize proper nouns if needed
Step 4
Hit Copy and use it in your UI, email or doc
Example
Title-cased text becomes friendly sentence case.
Input
How To Write Better Headlines In 5 Minutes
Output
How to write better headlines in 5 minutes
Why Sentence Case Converter is useful
- ✓
Modernize headlines from old-school Title Case to clean sentence case.
- ✓
Match the tone most modern apps and SaaS UIs use.
- ✓
Convert multiple sentences — each first word capitalizes correctly.
- ✓
Pairs well with the Title Case tool for quick voice swaps.
Common questions
Will proper nouns stay capitalized?
Standard sentence case lowercases everything except the first word. Proper nouns like 'Google' need manual fixing.
Tip: Search and re-capitalize brand names after conversion.
What about acronyms like NASA or API?
They get lowercased by default. Re-capitalize manually after conversion.
Tip: Keep a list of your brand's acronyms for consistent fixes.
When should I use Sentence case over Title Case?
Sentence case feels modern and friendly. Title Case feels formal and traditional.
Tip: Most SaaS UI uses Sentence case in 2024+.
Does it handle multiple sentences?
Each sentence's first word capitalizes; the rest go lowercase.
Tip: Verify by checking the start of every sentence.
Last reviewed: April 2026 · Free, browser-based, no signup.
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