When would I use camelCase or snake_case?

Developers use camelCase (myVariableName) in JavaScript and Java, snake_case (my_variable_name) in Python and database fields, and kebab-case (my-variable-name) in URLs and CSS classes.

Is my text uploaded to a server?

No. Conversion happens instantly in your browser, your text never leaves your device.

Case Converter

Convert text to UPPER, lower, Title, camelCase and more

Your text

Converted result

About this tool

Pasted a spreadsheet column in ALL CAPS? Need a variable name in camelCase? The JoliTools case converter switches text between seven common casings in one click, no find-and-replace gymnastics.

Beyond UPPER, lower, Title and Sentence case, it handles the programmer favorites: camelCase for JavaScript, snake_case for Python, and kebab-case for URLs and CSS. Accidental caps-lock emails are a thing of the past.

How to use the case converter

1Paste or type your text into the input box.
2Click any case button. UPPER, lower, Title, Sentence, camelCase, snake_case or kebab-case.
3The converted text appears instantly in the output box.
4Click “Copy” to copy the result to your clipboard.

Good to know

Writers use title case for headlines, marketers use sentence case for ad copy, and developers convert identifiers dozens of times a day. One tool covers all three workflows.

Frequently asked questions

Title case capitalizes the first letter of each major word, as in “The Quick Brown Fox.” It is the standard style for headlines, book titles and headings in US English.

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