Case Converter
Convert text between uppercase, lowercase, camelCase, snake_case, kebab-case and more, with full Unicode support
Text cleanup
Every conversion runs locally in your browser: nothing is uploaded and no account is needed.
Results
Turns every letter uppercase while Chinese characters and symbols stay untouched.
HELLO_WORLD FOO-BAR HTTPRESPONSE GETXUSER_ID LA CLÉ DU PORTAIL ХОРОШО ДЕЛА 你好世界 HELLO世界
Turns every letter lowercase and keeps the original spacing and symbols.
hello_world foo-bar httpresponse getxuser_id la clé du portail хорошо дела 你好世界 hello世界
Capitalizes each word except the articles and prepositions in the exclusion list.
Hello World Foo Bar Http Response Get X User Id La Clé Du Portail Хорошо Дела 你好世界 Hello世界
Capitalizes only the start of each line and lowercases the rest.
Hello world foo bar Http response get x user id La clé du portail Хорошо дела 你好世界 hello世界
First word lowercase, later words capitalized, no separators: used for variable names.
helloWorldFooBar httpResponseGetXUserId laCléDuPortail хорошоДела 你好世界Hello世界
Every word capitalized with no separators: used for class and component names.
HelloWorldFooBar HttpResponseGetXUserId LaCléDuPortail ХорошоДела 你好世界Hello世界
All words lowercase joined with underscores: used for database fields.
hello_world_foo_bar http_response_get_x_user_id la_clé_du_portail хорошо_дела 你好世界_hello世界
All words uppercase joined with underscores: used for constants and macros.
HELLO_WORLD_FOO_BAR HTTP_RESPONSE_GET_X_USER_ID LA_CLÉ_DU_PORTAIL ХОРОШО_ДЕЛА 你好世界_HELLO世界
All words lowercase joined with hyphens: used for CSS class names and URLs.
hello-world-foo-bar http-response-get-x-user-id la-clé-du-portail хорошо-дела 你好世界-hello世界
Letters alternate between uppercase and lowercase for decorative text.
HeLlO_wOrLd FoO-bAr HtTpReSpOnSe GeTxUsEr_Id La ClÉ dU pOrTaIl ХоРоШо ДеЛа 你好世界 HeLlO世界
Swaps the case of every letter in the original text.
HELLO_WORLD FOO-BAR httprESPONSE GETxuSER_id LA CLÉ du PORTAIL хорошо ДЕЛА 你好世界 HELLO世界
These words stay lowercase in Title Case, except as the first or last word of a line. They do not affect the other styles.
