Case Converter

Transform text between 12 different case formats instantly. Free and private.

12 Case Formats

UPPERCASE, lowercase, Title, Sentence, camel, Pascal, snake, kebab, and more.

Instant Conversion

Click any format button and see your text transformed immediately.

Developer Friendly

Perfect for converting between programming naming conventions.

100% Client-Side

All processing happens in your browser. Your text never leaves your device.

0 characters · 0 words

Free Online Case Converter Tool

Our case converter is a free online tool that lets you quickly transform text between 12 different case formats. Whether you need to convert a paragraph to uppercase, format variable names for code, or standardize text for a document, this tool handles it instantly in your browser.

Supported Case Formats

UPPERCASE: Converts all letters to capital letters. Used for headings, acronyms, and emphasis.
lowercase: Converts all letters to small letters. Common for email addresses, URLs, and normalization.
Title Case: Capitalizes the first letter of every word. Standard for book titles and headings.
Sentence case: Capitalizes only the first letter of each sentence. Natural reading format.
camelCase: First word lowercase, subsequent words capitalized, no separators. Standard in JavaScript and Java.
PascalCase: Every word capitalized, no separators. Used for class names in C#, TypeScript, and React components.
snake_case: Words separated by underscores, all lowercase. Standard in Python, Ruby, and SQL.
kebab-case: Words separated by hyphens, all lowercase. Used in CSS, URLs, and file names.
CONSTANT_CASE: Words separated by underscores, all uppercase. Used for constants and environment variables.
dot.case: Words separated by dots, all lowercase. Used in configuration files and package names.

Common Use Cases

Developers use this tool to convert between naming conventions when working across different programming languages. Writers use it to fix capitalization in titles and headings. Data professionals use it to normalize text fields. The tool works with any amount of text and provides instant results with one click.

Frequently Asked Questions

Our case converter supports 12 formats: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, path/case, and tOGGLE cASE. Each conversion happens instantly as you click.

Yes, this tool is 100% free with no limits. You can convert text of any length as many times as you want. No signup or account required.

Absolutely. All text conversion happens locally in your browser. Your text is never sent to any server or stored anywhere. Complete privacy guaranteed.

camelCase starts with a lowercase letter and capitalizes subsequent words (e.g., "myVariableName"). PascalCase capitalizes every word including the first (e.g., "MyVariableName"). Both are widely used in programming.

snake_case uses underscores and is common in Python, Ruby, and databases. kebab-case uses hyphens and is standard for CSS class names, URLs, and file naming. Choose based on your project conventions.

Yes! This tool is perfect for converting between programming naming conventions. Convert plain text to camelCase for JavaScript, snake_case for Python, PascalCase for C# classes, CONSTANT_CASE for constants, and kebab-case for CSS.

Related Tools

Explore more free tools to boost your productivity

✨

AI Prompt Generator

Craft prompts for Midjourney, DALL-E & more

🖥️

Code Playground

Write HTML, CSS & JS with live preview

🖼️

Text to Image

Create images from text with custom styling

🔎

Plagiarism Checker

Compare texts for similarity

AI Powered