Text Case Converter

Convert text between uppercase, lowercase, camelCase, snake_case, and 8 more formats instantly.

Input Text

Paste or type your text. All conversions update instantly.

0 chars

0 words

UPPERCASE

All characters capitalised

HELLO WORLD

lowercase

All characters lowercased

hello world

Title Case

First letter of each word

Hello World

Sentence case

Capitalised at sentence starts

Hello world. Second sentence.

camelCase

No spaces, first word lower

helloWorld

PascalCase

No spaces, each word capitalised

HelloWorld

snake_case

Words joined by underscores

hello_world

kebab-case

Words joined by hyphens

hello-world

SCREAMING_SNAKE

Uppercase with underscores

HELLO_WORLD

dot.case

Words joined by dots

hello.world

path/case

Words joined by slashes

hello/world

tOGGLE cASE

Inverts each character case

hELLO wORLD

Format Reference

When to use each naming convention

UPPERCASE

Constants, headings, abbreviations

lowercase

Body text, filenames, email addresses

Title Case

Headlines, book titles, proper nouns

Sentence case

UI labels, button text, descriptions

camelCase

JavaScript variables and function names

PascalCase

Class names, React components, types

snake_case

Python variables, database columns, Ruby

kebab-case

CSS classes, HTML attributes, URL slugs

SCREAMING_SNAKE

Environment variables, shell constants

dot.case

Config keys, i18n translation IDs

path/case

File paths, URL segments, routing

tOGGLE cASE

Stylistic emphasis, mocking text meme