Aa Case Converter
Transform text between different letter cases including uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case, and PascalCase for writers, developers, and content creators.
🔤 Convert Text Case
Enter your text and select the desired case style:
🔤 Case Conversion Styles
Different programming languages and writing styles use different case conventions. This tool helps you convert text between various case styles instantly.
📝 Common Case Styles
🔥 UPPERCASE
All letters are capitalized
Example: "HELLO WORLD"
Used for: Emphasis, headers, constants
Keyboard shortcut: Shift + letters
🔽 lowercase
All letters are lowercase
Example: "hello world"
Used for: Normal text, variable names
Keyboard shortcut: Regular letters
📖 Title Case
First letter of each word capitalized
Example: "Hello World Example"
Used for: Book titles, headlines
Follows grammar rules for capitalization
📄 Sentence Case
Only first letter of sentence capitalized
Example: "Hello world example."
Used for: Normal writing, paragraphs
Standard English writing style
💻 Programming Case Styles
🐪 camelCase
First word lowercase, subsequent words capitalized
Example: "helloWorldExample"
Used in: JavaScript, Java, C#
Common for variables and functions
🐍 snake_case
All lowercase with underscores between words
Example: "hello_world_example"
Used in: Python, Ruby, databases
Readable and consistent
🥙 kebab-case
All lowercase with hyphens between words
Example: "hello-world-example"
Used in: URLs, CSS classes, HTML
Web development standard
🏛️ PascalCase
All words capitalized, no separators
Example: "HelloWorldExample"
Used in: C#, Java classes
Class names and types
🎭 Fun Case Styles
🎪 AlTeRnAtInG cAsE
Alternate between uppercase and lowercase
Example: "HeLlO wOrLd ExAmPlE"
Used for: Fun, memes, emphasis
Creates visual interest
🔄 iNVERTED cASE
Swap case of each letter
Example: "HELLO world" → "hello WORLD"
Used for: Text effects, memes
Opposite of original case
🎨 Custom Styles
Mix different case styles creatively
Example: "Hello_World-Example"
Used for: Branding, logos
Artistic text effects
💾 Programming Language Examples
| Language | Variables | Functions | Classes | Constants |
|---|---|---|---|---|
| JavaScript | camelCase | camelCase | PascalCase | UPPERCASE |
| Python | snake_case | snake_case | PascalCase | UPPERCASE |
| Java | camelCase | camelCase | PascalCase | UPPERCASE |
| C# | camelCase | PascalCase | PascalCase | PascalCase |
| Ruby | snake_case | snake_case | PascalCase | UPPERCASE |
| PHP | camelCase | camelCase | PascalCase | UPPERCASE |
| Go | camelCase | PascalCase | PascalCase | UPPERCASE |
| CSS | kebab-case | kebab-case | kebab-case | UPPERCASE |
📚 Writing and Content Examples
📖 Book Titles
"To Kill a Mockingbird"
"The Great Gatsby"
"Pride and Prejudice"
Title Case with proper nouns capitalized
📰 Headlines
"Breaking News: Major Discovery"
"Local Event Draws Crowds"
"New Policy Announced Today"
Title Case for impact and readability
📧 Email Subjects
"Weekly Update Available"
"Important Announcement"
"Meeting Reminder: Tomorrow"
Title Case for professional communication
🏷️ Product Names
"iPhone 15 Pro Max"
"PlayStation 5"
"Surface Pro 9"
Title Case for branding and marketing
🔧 Developer Tools & Use Cases
💻 Code Refactoring
Convert variable names between styles
Standardize codebase conventions
Prepare code for different languages
Maintain consistent naming
📊 Data Processing
Normalize database field names
Convert API responses
Standardize CSV headers
Prepare data for analysis
🎨 CSS Development
Convert class names to kebab-case
Generate CSS variable names
Create consistent naming schemes
Follow CSS naming conventions
📝 Content Management
Standardize article titles
Convert metadata fields
Prepare content for databases
Maintain consistent formatting
🎯 Common Conversion Scenarios
| Scenario | From | To | Reason |
|---|---|---|---|
| Database Migration | camelCase | snake_case | Database naming conventions |
| API Development | PascalCase | camelCase | JavaScript variable naming |
| CSS Styling | Title Case | kebab-case | CSS class naming |
| Documentation | UPPERCASE | Title Case | Professional presentation |
| Code Comments | snake_case | Title Case | Human-readable format |
| Marketing Copy | lowercase | Title Case | Brand consistency |
💡 Case Converter Tip: Different programming languages have different naming conventions. JavaScript uses camelCase for variables, Python uses snake_case, and CSS uses kebab-case for class names. This tool helps you quickly convert between these conventions.
📏 Text Statistics & Analysis
📊 Word Count
Count total words in text
Identify word boundaries
Exclude punctuation
Calculate reading time estimates
🔤 Character Count
Total characters with spaces
Characters without spaces
Special character detection
Length validation for forms
📝 Sentence Analysis
Sentence count and structure
Average sentence length
Readability metrics
Grammar checking hints
📄 Paragraph Structure
Paragraph count and length
Text organization analysis
Formatting consistency
Document structure insights
🌐 Language & Cultural Considerations
🏳️ Multilingual Support
Works with accented characters
Supports non-Latin alphabets
Handles special characters
Unicode text processing
📝 Writing Systems
Latin alphabet focus
Case-sensitive languages
Non-case languages consideration
Character encoding awareness
🎭 Cultural Conventions
Title case rules vary by language
Name capitalization customs
Brand name handling
Proper noun identification