What is the Case Converter?
A case converter changes the capitalization of text without retyping it. Cubestack shows every common case side by side — from UPPERCASE and Title Case for writing to camelCase, snake_case and kebab-case for code — so you can copy the one you need.
How to use it
- 1
Enter text
Type or paste text into the input box.
- 2
Pick a case
Scan the converted versions shown below the input.
- 3
Copy
Click the copy icon on the version you want.
Features
All cases at once
See UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case and kebab-case together.
One-click copy
Copy any converted version with a single tap.
Developer friendly
Turn labels into variable names, slugs and constants.
Instant and local
Converts as you type, entirely in your browser.
Popular uses
Fix caps lock text
Turn accidental ALL CAPS into normal sentence case.
Headlines
Format article and email subject lines in Title Case.
Code naming
Convert phrases into camelCase, snake_case or kebab-case identifiers.
Frequently asked questions
What is Title Case?
Title Case capitalizes the first letter of each word, as used in headlines and book titles.
What is the difference between camelCase and snake_case?
camelCase joins words and capitalizes each new word (myVariableName); snake_case joins words with underscores in lowercase (my_variable_name).
Does it work with non-English text?
Yes, upper and lower case work for any language with letter cases, using your browser's Unicode rules.
Is there a text length limit?
No practical limit — it handles long documents instantly.