Case Converter

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Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase and more. Free online text case converter with instant results.

Enter text

HELLO WORLD, THIS IS TOOLY

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What is a case converter?

A case converter changes the capitalization style of your text in one click. Whether you need a shouty headline, a polished title, or properly formatted code identifiers, the right case makes text professional and consistent.

This free tool supports 7 styles: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case — covering content writing and programming needs.

Casing in code vs content

Programmers use camelCase for JavaScript variables, snake_case for Python and database fields, and kebab-case for URLs and CSS classes. Writers use Title Case for headlines and Sentence case for body text. One tool handles it all.

How to Use

Paste or type your text
Click the casing style you need
The converted text appears instantly
Copy with one click

Features

⚡ 7 StylesUpper, lower, title, sentence, camel, snake, kebab.

🎯 Code ReadycamelCase, snake_case, kebab-case for developers.

📝 Writing ReadyTitle Case and Sentence case for content.

🆓 FreeUnlimited, no signup.

Frequently Asked Questions

What is camelCase?

camelCase joins words without spaces, capitalizing each word after the first — e.g. "myVariableName". Commonly used in JavaScript.

What is the difference between Title Case and Sentence case?

Title Case capitalizes every major word ("The Quick Brown Fox"); Sentence case capitalizes only the first word ("The quick brown fox").

Can I convert a whole paragraph?

Yes — paste any amount of text and apply any casing style instantly.