Case Converter Online
Fast & free text case conversion — paste your text below.
Transform your text in seconds
- Convert text to uppercase, lowercase, and sentence case
- Capitalized and alternating case support
- One-click copy, no signup required
Case Converter Guide
caseconvertonline.com is a free online case converter that helps you change text case instantly. Convert any text to UPPERCASE, lowercase, Sentence case, Capitalized, or Alternating case in one click.
Uppercase (UPPER CASE)
Use the uppercase converter to make all letters capital. Great for headings, labels, and emphasis.
Lowercase (lower case)
The lowercase converter makes all letters small — useful for cleaning pasted text and normalizing content.
Sentence Case
The sentence case converter capitalizes the first letter of each sentence for clean, readable formatting.
Capitalized
Capitalized case makes each word start with an uppercase letter — useful for names and headings.
Alternating Case
Alternating case flips the pattern of uppercase/lowercase characters for quick playful formatting.
How to use
- Paste or type your text into the box above.
- Click the case you want (Sentence, lower, UPPER, Capitalized, Alternating).
- Press Copy to copy the converted text.
Why Use This Online Case Converter?
- Free and easy to use
- Works directly in your browser
- No registration or downloads required
- Supports long and short text
- Ideal for writing, coding, and content creation
If you regularly need to change text case online, format copied text, or fix capitalization issues, this tool is designed to save you time and effort.
Related Use Cases
This text case converter is useful for:
- Formatting blog posts and articles
- Editing emails and documents
- Preparing text for code or data input
- Creating consistent headings and titles
- Fixing capitalization mistakes instantly
Common searches: text case converter, convert case online, uppercase converter, lowercase converter.
FAQ
What is a case converter?
A case converter (text case converter) changes your text capitalization, like uppercase, lowercase, sentence case, capitalized, or alternating case.
Is caseconvertonline.com free?
Yes. It’s free and works directly in your browser—no signup or download needed.
Do you store my text?
No. Your text stays in your browser. This website does not send your text to a server for conversion.
What is sentence case?
Sentence case capitalizes the first letter of each sentence, while keeping the rest in lowercase (except proper nouns).
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