Case Converter

Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case and kebab-case instantly. Free online case converter.

How to use the case converter

Paste your text, then click a style. The converter supports the seven most common cases used in writing and programming: uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case. Everything is processed locally — nothing is sent to a server.

Frequently asked questions

What is camelCase vs snake_case?

camelCase joins words with no spaces and capitalizes each word after the first (myVariableName). snake_case joins words with underscores in lowercase (my_variable_name). Both are common in programming.

Does this change my original text?

No. Your input stays in the top box; the converted result appears below. You can copy the result or keep converting.

Is there a limit on text length?

There is no fixed limit — conversion happens instantly in your browser, so very large documents convert without uploading anything.