Text Tool

Text Case Converter

Convert any text to camelCase, PascalCase, snake_case, kebab-case, UPPER CASE, lower case, Title Case, Sentence case, and more — all at once. Click any result card to copy that format instantly.

Input Text

Type or paste any text — results update as you type

camelCase

helloWorldExample

PascalCase

HelloWorldExample

snake_case

hello_world_example

kebab-case

hello-world-example

UPPER CASE

HELLO WORLD EXAMPLE

lower case

hello world example

Title Case

Hello World Example

Sentence case

Hello world example

CONSTANT_CASE

HELLO_WORLD_EXAMPLE

dot.case

hello.world.example

path/case

hello/world/example

aLtErNaTiNg CaSe

hElLo WoRlD

Case Format Reference

camelCase

First word lowercase, subsequent words capitalized. Used in JavaScript variables, JSON keys, and most programming languages.

PascalCase

Every word capitalized. Used for class names, React components, TypeScript interfaces, and C# identifiers.

snake_case

Words separated by underscores, all lowercase. Standard in Python, Ruby, SQL column names, and file names.

kebab-case

Words separated by hyphens, all lowercase. Used in CSS class names, HTML attributes, URL slugs, and file names.

CONSTANT_CASE

All uppercase with underscores. Used for constants and environment variables in most languages.

Title Case

Every word capitalized. Used in headings, titles, button labels, and navigation items.

When to Use Each Case in Development

camelCase — JavaScript variables, function names, JSON keys, Java methods
PascalCase — class names, React components, TypeScript types, C# classes
snake_case — Python variables, Ruby methods, SQL columns, file names
kebab-case — CSS classes, HTML IDs, URL slugs, npm package names
CONSTANT_CASE — environment variables, global constants, enum values
dot.case — configuration keys, property paths, Java package names

Working with JSON keys?

Format and validate your JSON after converting key names with JSONHack.

Open JSON Formatter →