Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase and snake_case. Free, instant.
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Free Text Case Converter
Convert between all major text case formats. Useful for developers needing camelCase or snake_case variable names, writers formatting headings, or anyone cleaning up text.
What is camelCase?
Standard in JavaScript and Java for variable names. Example: myVariableName
What is snake_case?
Used in Python and databases. All lowercase with underscores: my_variable_name
Does this preserve punctuation?
For upper/lower/title/sentence — yes. camelCase and snake_case strip special characters for code compatibility.
Can I convert multiple paragraphs?
Yes — paste any amount of text and all of it will be converted.