Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, and more instantly.

Case Conversion Types

UPPERCASE

Converts all letters to capital letters.

HELLO WORLD

lowercase

Converts all letters to small letters.

hello world

Title Case

Capitalizes the first letter of each word.

Hello World

Sentence case

Capitalizes only the first letter of sentences.

Hello world. This is a sentence.

camelCase

First word lowercase, subsequent words capitalized, no spaces.

helloWorld

PascalCase

All words capitalized, no spaces. Used in programming.

HelloWorld

kebab-case

All lowercase with hyphens instead of spaces.

hello-world

snake_case

All lowercase with underscores instead of spaces.

hello_world

When to Use Different Cases

Programming

  • camelCase: JavaScript variables, functions
  • PascalCase: Class names, components
  • snake_case: Python variables, database fields
  • kebab-case: CSS classes, URLs
  • UPPERCASE: Constants, environment variables

Writing & Content

  • Title Case: Headlines, book titles
  • Sentence case: Regular paragraphs, descriptions
  • UPPERCASE: Emphasis, warnings, acronyms
  • lowercase: Informal writing, poetry

Design & UI

  • UPPERCASE: Buttons, navigation, labels
  • Title Case: Menu items, form labels
  • Sentence case: Body text, descriptions
  • lowercase: Modern minimalist design

SEO & URLs

  • kebab-case: URL slugs, file names
  • lowercase: Domain names, email addresses
  • Title Case: Page titles, meta descriptions
  • Sentence case: Blog post titles

Social Media

  • Title Case: Professional posts
  • Sentence case: Casual posts, stories
  • UPPERCASE: Emphasis, calls-to-action
  • lowercase: Aesthetic posts, poetry

Data Processing

  • lowercase: Data normalization
  • UPPERCASE: Data standardization
  • Title Case: Names, addresses
  • snake_case: Database operations