Free Online Case Converter

Convert any text between camelCase, PascalCase, snake_case, SCREAMING_SNAKE_CASE, kebab-case, Title Case and 6 more naming conventions — all at once, instantly.

Input

Auto-detects camelCase / PascalCase / snake_case / kebab-case / spaces / dots

camelCase

—

First word lowercase, subsequent words capitalized

PascalCase

—

Every word capitalized (UpperCamelCase)

snake_case

—

All lowercase, underscore separated

SCREAMING_SNAKE_CASE

—

All uppercase, underscore separated

kebab-case

—

All lowercase, hyphen separated

COBOL-CASE

—

All uppercase, hyphen separated

Train-Case

—

Each word capitalized, hyphen separated

flatcase

—

All lowercase, no separator

UPPERCASE

—

All uppercase

lowercase

—

All lowercase

Title Case

—

Each word capitalized, space separated

Sentence case

—

First word capitalized only

Supported Naming Conventions

Format	Example	Typical Usage
camelCase	helloWorld	JS/TS variables, function names
PascalCase	HelloWorld	Class names, React components
snake_case	hello_world	Python variables, database columns
SCREAMING_SNAKE_CASE	HELLO_WORLD	Constants, environment variables
kebab-case	hello-world	URLs, HTML attributes, CSS classes
COBOL-CASE	HELLO-WORLD	COBOL language identifiers
Train-Case	Hello-World	HTTP headers
flatcase	helloworld	Package names, some database naming
Title Case	Hello World	Headings, UI labels
Sentence case	Hello world	Sentences, description text

Smart Tokenization

The converter automatically detects your input format and splits it into tokens:

Insert a space before uppercase letters following lowercase (handles camelCase / PascalCase)
Replace delimiters -, _, ., / with spaces
Strip remaining non-alphanumeric characters
Split on whitespace and reassemble in the target format

So whether you paste myVariableName, my-variable-name, or MY_VARIABLE_NAME, it converts correctly to any target format.

Common Use Cases

Copy snake_case database column names into JavaScript as camelCase
Normalize API field names to a consistent naming convention
Refactor variable names across a codebase
Convert English titles to URL slugs (kebab-case)
Generate environment variable names (SCREAMING_SNAKE_CASE)

FAQ

Does it support non-ASCII characters?

Tokenization is based on ASCII letters and common delimiters. Non-ASCII characters are stripped — add them back manually if needed.

How are consecutive uppercase letters handled?

XMLParser is split into two tokens: XML and Parser. Consecutive uppercase sequences are treated as a single word.

Are numbers preserved?

Yes. Numeric characters are kept in place within their token and are not removed.