Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg case, iNVERSE case — plus developer styles: camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE.
Standard cases
Developer / variable name cases
Why use this case converter?
convertcase.net buries the tool under novelty joke fonts (zalgo, mirror text, strikethrough) and shows ads. prepostseo's H1 is just "Case Converter" with no options beyond the basics. This tool covers the standard 7 cases writers need plus the 5 programming-name cases (camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE) developers need — with zero ads and zero novelty bloat.
Frequently asked questions
Is this case converter really free?
Yes — 100% free, no account, no watermark, no limit on how much text you can convert.
Is my text uploaded anywhere?
No. Every conversion happens locally in your browser using JavaScript. Nothing is sent to any server.
Does it support programming case styles like camelCase?
Yes — in addition to Sentence, lower, UPPER, Capitalized, aLtErNaTiNg, Title and iNVERSE case, this tool converts to camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE for naming variables and files.
What's the difference between Title Case and Capitalized Case here?
Both capitalize the first letter of every word. Title Case is meant for headlines and titles; Capitalized Case is the same transformation, offered under the more literal name some tools use.