Text Case Converter

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Convert text between different cases (uppercase, lowercase, title case, etc.)

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Offline Processing
Instant Results
Input Text
0 characters
Examples

Simple Text

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Basic text conversion example

Hello World

Variable Name

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Convert programming variable names

user profile data

Mixed Case

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Text with mixed capitalization

ThE qUiCk BrOwN fOx

Sentence

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Convert complete sentences

The quick brown fox jumps over the lazy dog

Converted Text

UPPERCASE

Convert all characters to uppercase

HELLO WORLD

lowercase

Convert all characters to lowercase

hello world

Title Case

Capitalize the first letter of each word

Hello World

Sentence case

Capitalize only the first letter

Hello world

camelCase

First word lowercase, subsequent words capitalized, no spaces

helloWorld

PascalCase

All words capitalized, no spaces

HelloWorld

snake_case

All lowercase with underscores between words

hello_world

kebab-case

All lowercase with hyphens between words

hello-world

CONSTANT_CASE

All uppercase with underscores between words

HELLO_WORLD

iNVERSE cASE

Flip the case of each character

hELLO wORLD

aLtErNaTiNg CaSe

Alternate between lowercase and uppercase

hElLo WoRlD
Usage Tips

Programming Conventions

  • • camelCase: JavaScript variables, functions
  • • PascalCase: Classes, constructors
  • • snake_case: Python variables, functions
  • • kebab-case: CSS classes, URLs
  • • CONSTANT_CASE: Constants, environment variables

Text Formatting

  • • Title Case: Headlines, titles
  • • Sentence case: Regular sentences
  • • UPPERCASE: Emphasis, alerts
  • • lowercase: Usernames, emails
  • • Alternating: Stylistic effect
About This Tool

Convert text between different cases (uppercase, lowercase, title case, etc.)

Privacy & Security

  • • All file processing happens locally in your browser
  • • Your files never leave your device or get uploaded to any server
  • • No data collection, tracking, or storage of your files
  • • Works completely offline once the page is loaded

Keywords

textcaseuppercaselowercasetitle