Text Case Converter — Free Online
Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case and more. Free online case converter with one-click copy.
About Case Converter
The case converter transforms your text between all common letter case styles with a single click. Convert to UPPERCASE for headings, lowercase for normalising data, Title Case for book and article titles, Sentence case for natural-sounding text, camelCase and PascalCase for programming variables, snake_case for file names and database fields, and kebab-case for URLs and CSS classes. Paste any amount of text, click your desired format, and copy the result instantly. Ideal for developers, writers, data entry professionals, and anyone who needs to quickly reformat text.
Frequently Asked Questions
What case formats does it support?
Uppercase, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.
Does it work with non-English characters?
Yes — accented characters like é, ü, ñ and Unicode letters are supported in all case conversions.
Is there a word limit?
No limit — you can convert entire documents at once.
What is the difference between Title Case and Sentence case?
Title Case capitalises every major word. Sentence case only capitalises the first letter of each sentence.
Can I use this for programming variable names?
Yes — camelCase and PascalCase conversions are perfect for naming variables and functions.