Text · Free online tool

Text Case Converter

Convert text between uppercase, lowercase, title, sentence, camel, Pascal, snake, kebab, and constant case.

Quick answer: Paste text, choose a case format, and the result appears instantly. Copy titles, identifiers, slugs, and code-friendly names in one click.
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How this case converter helps

This text case converter standardizes headings, labels, variable names, URLs, and documentation without manual retyping. It supports uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE. The converter recognizes spaces, underscores, hyphens, and existing camel-case boundaries, so it can transform messy source text into a consistent format. It is useful when renaming API fields, preparing headings, creating slugs, or moving naming conventions between JavaScript, Python, CSS, and database contexts. The output is generated instantly on your device and can be copied or downloaded. Unlike a simple uppercase tool, it handles multi-line input and preserves line breaks where appropriate. The interface includes examples, recent local history, and accessible controls so repeated transformations are quick and reliable.

Last updated: . All processing happens locally; no tool input is sent to a server.

Real-world examples

Rename a JavaScript variable

Convert “User profile title” to userProfileTitle for camelCase code.

Create a URL slug

Convert a heading into kebab-case for a readable permalink.

Standardize a heading

Apply title or sentence case to documentation and interface labels.

Frequently asked questions

What is the difference between camelCase and PascalCase?

camelCase starts with a lowercase letter, while PascalCase capitalizes the first letter. Both remove separators between words.

Can I convert multiple lines at once?

Yes. Paste multiple lines and the converter processes each line while preserving the line structure.

Does title case capitalize every word?

This tool uses a practical title-case approach and capitalizes major words. Editorial house styles may treat short conjunctions differently.

Does the converter store my text?

Only if you use local history. The optional history stays in your browser storage and is not transmitted.