Convertitore Maiuscole/Minuscole

Converti il testo tra MAIUSCOLO, minuscolo, Title Case, camelCase, PascalCase, snake_case, kebab-case e altro. Perfetto per programmazione e formattazione testo.

What is Case Conversion?

Case conversion is the process of changing the capitalization style of text to match different formatting conventions. Different programming languages, writing styles, and technical contexts require different capitalization formats. Our case converter tool provides instant conversion between all common case styles used in programming and writing, including UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case. This tool is essential for developers who need to quickly convert variable names, refactor code, format documentation, or ensure consistent naming conventions across their projects.

How to Use This Free Case Converter

Using our text case converter is incredibly simple: paste or type your text into the input field, then click the button for the case style you want. The converted text appears instantly in the output field. You can convert the same text to different case styles by clicking different buttons without re-entering your text. Each conversion shows a success message indicating which case style was applied. The tool handles single words, phrases, sentences, paragraphs, and even entire documents. All processing happens instantly in your browser, ensuring your text remains completely private. Perfect for programmers, writers, students, and anyone working with text formatting.

Available Case Conversion Styles

UPPERCASE: Converts all characters to capital letters. Example: "hello world" → "HELLO WORLD"
Use for: Constants, environment variables, SQL keywords, emphasis in documentation

lowercase: Converts all characters to small letters. Example: "Hello World" → "hello world"
Use for: CSS classes, file names, email addresses, URLs, package names

Title Case: Capitalizes the first letter of each word. Example: "hello world" → "Hello World"
Use for: Titles, headings, proper names, book titles, article headlines

Sentence case: Capitalizes only the first letter of the first word. Example: "HELLO WORLD" → "Hello world"
Use for: Regular sentences, descriptions, normal writing, comments

camelCase: First word lowercase, subsequent words capitalized, no spaces. Example: "hello world" → "helloWorld"
Use for: JavaScript variables, Java methods, TypeScript properties, JSON keys

PascalCase: All words capitalized, no spaces (also called UpperCamelCase). Example: "hello world" → "HelloWorld"
Use for: Class names, component names, type names, constructor functions

snake_case: All lowercase with underscores between words. Example: "hello world" → "hello_world"
Use for: Python variables, database columns, Ruby variables, C variables

kebab-case: All lowercase with hyphens between words. Example: "hello world" → "hello-world"
Use for: URLs, CSS classes, file names, HTML attributes, Git branches

Common Use Cases for Case Conversion

  • Code Refactoring: Convert variable names when changing coding conventions or switching languages
  • Database Design: Format table and column names according to database naming conventions
  • API Development: Ensure consistent casing in JSON keys, endpoints, and query parameters
  • File Naming: Convert file names to follow project conventions (kebab-case, snake_case, etc.)
  • CSS/SCSS: Format class names and IDs following BEM or other naming methodologies
  • Documentation: Properly capitalize titles, headings, and proper nouns in technical docs
  • Data Cleaning: Normalize text data for consistency in datasets and databases
  • Content Writing: Convert text to proper case for headlines, titles, or emphasis

Programming Language Case Conventions

  • JavaScript/TypeScript: camelCase for variables/functions, PascalCase for classes/components
  • Python: snake_case for variables/functions, PascalCase for classes, UPPERCASE for constants
  • Java: camelCase for methods/variables, PascalCase for classes, UPPERCASE for constants
  • C#: PascalCase for most identifiers, camelCase for private fields
  • Ruby: snake_case for methods/variables, PascalCase for classes, SCREAMING_SNAKE_CASE for constants
  • Go: PascalCase for exported identifiers, camelCase for unexported
  • Rust: snake_case for variables/functions, PascalCase for types, SCREAMING_SNAKE_CASE for constants
  • SQL: Varies by convention, often lowercase or UPPERCASE for keywords

Why Use Our Case Converter Tool?

  • 100% Free: No registration, unlimited usage, completely free forever
  • Privacy Protected: All conversion happens in your browser - your text never leaves your device
  • Instant Conversion: All case styles converted in real-time with no delays
  • 8 Case Styles: Support for all common programming and writing case conventions
  • Bulk Processing: Convert entire documents, not just single words
  • Developer-Friendly: Designed specifically for programmers and technical writers
  • No Length Limits: Convert texts of any length from single words to entire articles
  • Mobile Compatible: Works perfectly on all devices including smartphones and tablets

Frequently Asked Questions

What's the difference between camelCase and PascalCase?
camelCase starts with a lowercase letter (helloWorld), while PascalCase starts with an uppercase letter (HelloWorld). Both remove spaces and capitalize subsequent words.

When should I use snake_case vs kebab-case?
Use snake_case for programming language identifiers (Python, Ruby, etc.) and database columns. Use kebab-case for URLs, CSS classes, and file names where hyphens are preferred over underscores.

Will the converter preserve special characters?
Yes. Special characters, numbers, and punctuation are preserved. Only letter casing and word separators (spaces, underscores, hyphens) are modified based on the selected case style.

Can I convert multiple paragraphs at once?
Yes! The tool can handle text of any length including multiple paragraphs, entire articles, or code files.

How does the tool handle acronyms?
Acronyms are treated like regular words and converted according to the selected case style. For special handling of acronyms, you may need to adjust the output manually.