Z

Case Converter

Convert text between different case formats instantly. Perfect for programming variable names and text formatting.

Input Text

Characters:43
Words:9

Converted Cases

THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG
the quick brown fox jumps over the lazy dog
The Quick Brown Fox Jumps Over The Lazy Dog
The quick brown fox jumps over the lazy dog
theQuickBrownFoxJumpsOverTheLazyDog
TheQuickBrownFoxJumpsOverTheLazyDog
the_quick_brown_fox_jumps_over_the_lazy_dog
the-quick-brown-fox-jumps-over-the-lazy-dog
THE_QUICK_BROWN_FOX_JUMPS_OVER_THE_LAZY_DOG
Related tools:📊Word Counter•🔍Regex Tester•{ }JSON Formatter

About Case Converter

What is a Case Converter?

A case converter is a text transformation tool that changes text between different letter case formats. It's essential for developers working with variable names, file names, URLs, and text formatting across different programming languages and style guides.

Supported Case Formats

UPPERCASE: All characters in uppercase letters. Useful for constants and acronyms.
lowercase: All characters in lowercase letters. Common for filenames and URLs.
Title Case: First letter of each word capitalized. Used in headings and titles.
Sentence case: First letter of first word capitalized. Standard sentence formatting.
camelCase: First word lowercase, subsequent words capitalized, no spaces. Common in JavaScript, Java, and TypeScript for variable names.
PascalCase: All words capitalized, no spaces. Used for class names in most programming languages.
snake_case: Words separated by underscores, all lowercase. Common in Python, Ruby, and database column names.
kebab-case: Words separated by hyphens, all lowercase. Used in URLs, CSS classes, and file names.
CONSTANT_CASE: Words separated by underscores, all uppercase. Used for constants in most programming languages.

Common Use Cases

  • Variable Naming: Convert text to appropriate naming conventions for different programming languages
  • Database Fields: Format column names to match database conventions (snake_case)
  • URL Slugs: Convert titles to URL-friendly kebab-case format
  • CSS Classes: Format class names following BEM or other CSS methodologies
  • File Names: Convert text to appropriate file naming conventions
  • API Endpoints: Format endpoint names consistently
  • Constants: Convert variable names to CONSTANT_CASE for configuration values
  • Class Names: Convert descriptions to PascalCase for class definitions

Features

  • Convert to 9 different case formats simultaneously
  • Real-time conversion as you type
  • One-click copy for each case format
  • Character and word count statistics
  • Handles mixed case input intelligently
  • Preserves word boundaries from various separators
  • Client-side processing - your text never leaves your browser
  • No installation or sign-up required

Why Use This Case Converter?

Our case converter saves time by showing all case format variations at once, allowing you to quickly find and copy the format you need. It intelligently handles different input formats including:

  • Space-separated text
  • Hyphenated text
  • Underscore-separated text
  • Existing camelCase or PascalCase
  • Mixed case input with various separators

Privacy & Security

All text conversion happens directly in your browser using JavaScript. Your input text is never sent to any server or stored anywhere. This ensures complete privacy and security for your data.