Free Online Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case, an...Convert text between uppercase, lowercase, title case, camelCase, snake_case, and more. Free, instant, and secure.
14 Case Conversions
Type or paste text above to instantly see it converted to all 14 formats. Click any result to copy it.
HELLO WORLDhello worldHello WorldHello world. This is text.helloWorldHelloWorldhello_worldhello-worldHELLO_WORLDhello.worldhello/worldHello-WorldhElLo WoRlDhELLO wORLDConverter Features
Why Use Free Online Case Converter?
14 Case Types
Convert between uppercase, lowercase, title case, and programming cases like camelCase, snake_case, and more.
100% Private
All processing happens in your browser. Your text never leaves your device.
Instant Results
Convert text instantly with a single click. No waiting, no processing time.
Works Everywhere
Use on any device - desktop, tablet, or mobile. No installation required.
Text Statistics
See character count, word count, and characters without spaces as you type.
One-Click Copy
Copy your converted text to clipboard with a single click for easy pasting.
Common Uses for Case Converter
Programming
Convert variable names between camelCase, snake_case, PascalCase, and other naming conventions.
Writing & Editing
Format headings, titles, and paragraphs with proper title case or sentence case.
SEO & URLs
Convert text to kebab-case for SEO-friendly URLs and slugs.
Database Design
Format column names and table names using snake_case or CONSTANT_CASE conventions.
How It Works
Enter Your Text
Type or paste the text you want to convert into the input box. You can enter any amount of text.
Choose a Case Type
Click on any case type button to convert your text. The conversion happens instantly and you can try different cases.
Copy Your Result
Click the Copy button to copy the converted text to your clipboard. Use it in your documents, code, or anywhere you need.
Tips & Information
Programming Convention
Use camelCase for JavaScript variables, snake_case for Python, PascalCase for classes, and CONSTANT_CASE for constants.
SEO-Friendly URLs
Use kebab-case for URL slugs - it's the most SEO-friendly format and easy to read in browser address bars.
Title Case vs Sentence Case
Title Case capitalizes every word, while Sentence case only capitalizes the first word and words after periods.