Case Converter
Type or paste text below and convert it instantly between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case.
Your text
Case
Converted result
How to convert text case
- Paste or type text into the box on the left.
- Pick a case from the row of buttons — the result updates instantly.
- Copy the converted text on the right.
When each case style is used
Title Case and Sentence case are common for headings, titles, and everyday prose, while UPPERCASE is often used for emphasis or acronyms. In programming, camelCase and snake_case are widely used naming conventions for variables and function names, and kebab-case is the standard for URL slugs and CSS class names.
FAQ
Is this case converter really free, with no sign-up?+
Yes. The tool runs entirely with JavaScript in your browser — there's no account, no API key, and no limit on how often you can use it.
Does my text get uploaded anywhere?+
No. Everything you type or paste is processed locally on your device. Nothing is sent to a server, stored, or logged.
What's the difference between Title Case and Sentence case?+
Title Case capitalizes the first letter of every word, commonly used for headings. Sentence case only capitalizes the first letter of the first word in each sentence, like normal prose.
What are camelCase, snake_case and kebab-case used for?+
These are naming conventions used in programming. camelCase and snake_case are common for variable names, while kebab-case is often used in URLs and CSS class names.
Can I convert multiple lines at once?+
Yes, paste multi-line text and every case mode applies to the entire block at once, preserving your line breaks.
Tools for Text Manipulation
How This Converter Works
Your text is converted live between case styles with JavaScript — nothing you type or paste is uploaded to a server or stored anywhere.
Last updated: August 28, 2026.
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