Text Case Converter

Convert text between different case formats including camelCase, snake_case, PascalCase

0 characters • 1 lines

Case Format Reference

camelCasehelloWorld
JavaScript/Java variables, functions
PascalCaseHelloWorld
Classes, components, types
snake_casehello_world
Python variables, database fields
kebab-casehello-world
URLs, CSS classes, HTML attributes
UPPER_CASEHELLO_WORLD
Constants, environment variables
lowercasehelloworld
All lowercase, no separators
UPPERCASEHELLOWORLD
All uppercase, no separators
Title CaseHello World
Documentation, user-facing text
Sentence caseHello world
First letter capitalized only
aLtErNaTiNg CaSehElLo WoRlD
Alternates between lower and upper
iNVERSE cASEhELLO wORLD
Inverts existing capitalization

About Text Case Converter

This text case converter online free tool lets you change text case between different formats used in programming, writing, and documentation. Use it as a case converter online to instantly transform text into camelCase, snake_case, PascalCase, kebab-case, title case, sentence case, and more.

Whether you need a title case converter for headlines, a sentence case converter tool for body text, or a camel case converter for programming variables, this text format changer online handles all conversions instantly. It also works as a snake case to camel case converter and pascal case to snake case converter for developers switching between language conventions.

  • Support for 10+ case conversion formats
  • Batch text processing to change case of text in bulk
  • Preserve special characters and numbers
  • Case converter for coding variables and naming conventions
  • Instant preview and copy functionality
  • Text case converter with clipboard history support
  • Alternating case generator online and inverse text case converter

How to Use Text Case Converter

  1. Enter Text - Type or paste the text you want to convert
  2. Select Case Format - Choose from camelCase, snake_case, PascalCase, title case, etc.
  3. Convert Instantly - See real-time conversion as you type
  4. Copy Result - Click to copy converted text to clipboard
  5. Batch Process - Convert multiple lines at once to change case of text in bulk

Frequently Asked Questions

How to convert text to title case?
To convert text to title case, paste your text into the input field and select Title Case from the conversion options. Title case capitalizes the first letter of each major word while keeping minor words like "a", "the", "in", and "of" lowercase unless they start the sentence. This is the standard format for article headlines, book titles, and headings.
What is the difference between sentence case and title case?
Sentence case capitalizes only the first letter of the first word and proper nouns, just like a regular sentence (e.g., "The quick brown fox jumps over the lazy dog"). Title case capitalizes the first letter of all major words (e.g., "The Quick Brown Fox Jumps Over the Lazy Dog"). Sentence case is used for body text and casual headings, while title case is standard for headlines and formal titles.
How to change uppercase to lowercase without retyping?
Paste your uppercase text into the converter and select lowercase from the options. The tool instantly converts all characters to lowercase without any retyping. You can also use keyboard shortcuts for case conversion in most text editors: Ctrl+Shift+U toggles case in VS Code, and Shift+F3 cycles through cases in Microsoft Word.
Can I convert a text case on my phone?
Yes, this text case converter works on all devices including phones and tablets. Simply open the tool in your mobile browser, paste or type your text, select the desired case format, and copy the result. The interface is fully responsive and optimized for touch screens with no app installation required.
How to use camelCase for variables?
camelCase starts with a lowercase letter and capitalizes the first letter of each subsequent word with no spaces or separators (e.g., myVariableName). To convert text to camelCase, paste your text and select camelCase format. It is the standard naming convention for variables and functions in JavaScript, Java, TypeScript, and Swift.

Case Format Reference

Format Example Common Usage Languages
camelCasemyVariableNameVariables, functionsJavaScript, Java, C#
PascalCaseMyVariableNameClasses, typesC#, Pascal, TypeScript
snake_casemy_variable_nameVariables, functionsPython, Ruby, Rust
kebab-casemy-variable-nameURLs, CSS classesHTML, CSS, URLs
UPPER_CASEMY_VARIABLE_NAMEConstantsMost languages
lowercasemyvariablenamePackage namesJava packages
UPPERCASEMYVARIABLENAMEMacros, constantsC, C++
Title CaseMy Variable NameHeadlines, titlesMarkdown, docs
Sentence caseMy variable nameBody text, headingsGeneral writing
aLtErNaTiNgmY vArIaBlEMeme text, effectsSocial media

Programming Language Naming Conventions

Developers often need a developer text case converter cli tool or online solution to maintain consistent naming across projects. Here are the standard conventions by language:

JavaScript/TypeScript:

  • Variables: camelCase
  • Functions: camelCase
  • Classes: PascalCase
  • Constants: UPPER_CASE
  • Files: kebab-case.js

Python:

  • Variables: snake_case
  • Functions: snake_case
  • Classes: PascalCase
  • Constants: UPPER_CASE
  • Files: snake_case.py

Java:

  • Variables: camelCase
  • Methods: camelCase
  • Classes: PascalCase
  • Constants: UPPER_CASE
  • Packages: lowercase

C#:

  • Public members: PascalCase
  • Private fields: _camelCase
  • Local variables: camelCase
  • Constants: PascalCase

Common Use Cases

Development:

  • Variable and function naming
  • API endpoint formatting
  • Database column names
  • Configuration file keys
  • CSS class and ID names
  • File and directory naming
  • Environment variable names
  • Code refactoring projects

Content & Documentation:

  • URL slug generation
  • SEO-friendly URLs
  • Markdown heading formatting
  • Documentation standards
  • Technical writing consistency
  • Data import/export formatting
  • Batch text processing
  • Style guide compliance

Keyboard Shortcuts for Case Conversion

Many editors support keyboard shortcuts for case conversion. Here are the most common ones:

VS Code:

  • Transform to Uppercase: Ctrl+Shift+U (custom)
  • Transform to Lowercase: Ctrl+Shift+L (custom)
  • Transform to Title Case: Command Palette
  • Change Case extension for more options

Microsoft Word:

  • Shift+F3: Cycle through cases
  • UPPERCASE, lowercase, Title Case cycle
  • Format > Change Case menu
  • Works on selected text only

For bulk operations or advanced conversions like snake case to camel case converter or uppercase to title case converter, use this online tool for instant results without any software installation.