Case Converter
Convert text to uppercase, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and more instantly.
All 13 formats
Click a card to copy · use arrow keys to navigate · press Enter to copy focused
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What Is a Text Case Converter?
A text case converter transforms text between different capitalization formats including UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, PascalCase, and CONSTANT_CASE. CompressImagePDF's converter shows all formats simultaneously for instant comparison.
Case conversion is essential for developers working with different naming conventions across programming languages, and for writers who need to quickly change text formatting.
Why Convert Text Case?
Different programming languages use different naming conventions — camelCase in JavaScript, snake_case in Python, PascalCase in C#. Converting between them saves time and reduces errors.
Content creators need Title Case for headlines, UPPERCASE for emphasis, and lowercase for body text. Manual conversion is error-prone.
How to Convert Text Case
- 1
Enter Text
Type or paste your text in the input area.
- 2
See All Formats
All 8 case formats are shown simultaneously.
- 3
Copy Any Format
Click Copy next to the format you need.
Key Features
8 Case Formats
UPPER, lower, Title, camel, snake, kebab, Pascal, CONSTANT.
All-at-Once Display
See every format simultaneously.
One-Click Copy
Copy any format instantly.
Real-Time
Results update as you type.
Supported Formats
| Format | Example | Use Case |
|---|---|---|
| UPPERCASE | HELLO WORLD | Constants, emphasis |
| lowercase | hello world | Body text |
| Title Case | Hello World | Headlines |
| camelCase | helloWorld | JavaScript variables |
| snake_case | hello_world | Python, Ruby |
| kebab-case | hello-world | CSS classes, URLs |
| PascalCase | HelloWorld | C# classes, React components |
| CONSTANT_CASE | HELLO_WORLD | Environment variables |
Tips & Best Practices
camelCase is standard for JavaScript variables and function names.
snake_case is the convention for Python and Ruby.
Use kebab-case for CSS class names and URL slugs.
CONSTANT_CASE is used for environment variables and constants.
Frequently Asked Questions
Is the case converter free?
Yes, completely free.
What case formats are supported?
8 formats: UPPER, lower, Title, camel, snake, kebab, Pascal, CONSTANT.
Is my text safe?
100% browser-based.
Can I convert multiple lines?
Yes, multi-line text is supported.
Does it handle special characters?
Yes, special characters are preserved where appropriate for each format.
Is there a text length limit?
No practical limit.