Programming Case Style Converter

Convert any identifier between camelCase, snake_case, kebab-case, and PascalCase instantly.

Different programming languages and style guides favor different naming conventions — JavaScript typically uses camelCase, Python favors snake_case, CSS classes often use kebab-case, and class names commonly use PascalCase. Converting a name between these by hand is fiddly and easy to get wrong.

This tool takes any identifier or plain phrase — whether it's already in one case style or just space-separated words — and instantly converts it into all four common programming case styles at once.

It's useful when porting variable or function names between languages with different conventions, or generating a consistent set of names across a codebase, config file, and CSS classes from the same base concept.

Because everything runs locally in your browser, results appear instantly and nothing you type or upload is ever sent to a server.

Bookmark this page if you expect to use this tool regularly — it loads fast and behaves the same way every time, with no account needed.

This kind of task shows up constantly in everyday writing, coding, design, and admin work, which is exactly why a dedicated, focused tool saves so much back-and-forth.

A tool that does one job well, without a cluttered interface or unrelated features competing for attention, tends to be faster to use than a heavier all-in-one app.

If you find yourself needing this conversion or calculation often, keeping this page open in a tab is usually faster than digging through a bigger software suite's menus.

Because there's no sign-up or installation step, you can jump straight from search result to working tool in a couple of seconds.

Frequently asked questions

What if my input is already in one of these case styles?

The tool splits on common word boundaries (spaces, underscores, hyphens, and camelCase transitions), so it correctly recognizes and reformats input already in any of these styles.

Which case style should I use where?

Follow your language or project's existing convention — JavaScript/Java typically use camelCase for variables, Python uses snake_case, CSS/HTML often use kebab-case, and class names commonly use PascalCase across most languages.