Text Case Converter

What is a Text Case Converter?

A text case converter is a tool that instantly transforms any text from one case format to another. Whether you're a developer switching variable naming conventions, a writer standardizing headings, or anyone who regularly works with text, this tool eliminates the manual effort of retyping or reformatting text.

Supported Case Formats

UPPERCASE

Converts every letter to its capital form. Common in acronyms, constants, and emphasis text.

• Example: hello world → HELLO WORLD

lowercase

Converts every letter to its small form. Used in URLs, casual writing, and certain programming contexts.

• Example: Hello World → hello world

Title Case

Capitalizes the first letter of each word. Standard for headings, book titles, and proper nouns.

• Example: hello world → Hello World

Sentence case

Capitalizes only the first letter of each sentence. Matches standard writing conventions.

• Example: hello world. how are you → Hello world. How are you

camelCase

Joins words together with no spaces, capitalizing every word except the first. The standard naming convention in JavaScript, Java, and many other languages.

• Example: hello world → helloWorld

PascalCase

Like camelCase but capitalizes the very first word too. Used for class names in most object-oriented languages.

• Example: hello world → HelloWorld

snake_case

Replaces spaces with underscores and lowercases everything. The standard in Python, Ruby, and SQL.

• Example: hello world → hello_world

kebab-case

Replaces spaces with hyphens and lowercases everything. Used in HTML attributes, CSS class names, and URLs.

• Example: hello world → hello-world

CONSTANT_CASE

Like snake_case but fully uppercased. The conventional format for constants and environment variables.

• Example: hello world → HELLO_WORLD

Common Use Cases

• Developers: Convert variable or function names between conventions when switching languages or following style guides.
• Writers & Editors: Quickly standardize heading styles across a document.
• SEO & URL Slugs: Generate kebab-case slugs directly from plain text titles.
• Database Engineers: Convert column names to snake_case.
• DevOps: Format environment variable names as CONSTANT_CASE.

Privacy & Security

All text conversions happen entirely in your browser using JavaScript. No text you enter is ever sent to a server or stored anywhere. Your content remains completely private.