Free Online Case Converter

Type or paste your text once and instantly see it converted into all common case formats — from coding conventions like camelCase and snake_case to writing styles like Title Case and Sentence case.

Input Text

UPPERCASE

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lowercase

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Title Case

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Sentence case

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camelCase

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PascalCase

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snake_case

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kebab-case

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SCREAMING_SNAKE_CASE

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iNVERT cASE

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Case Format Reference

`camelCase`

First word lowercase, subsequent words capitalised, no separators. Standard for JavaScript/TypeScript variables and functions.

`PascalCase`

Every word capitalised, no separators. Used for class names, React components, and TypeScript interfaces.

`snake_case`

All lowercase, words separated by underscores. Common in Python, Ruby, and database column names.

`kebab-case`

All lowercase, words separated by hyphens. Used in CSS class names, HTML attributes, and URL slugs.

`SCREAMING_SNAKE_CASE`

All uppercase with underscores. The convention for constants and environment variables.