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Case Converter
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Free case converter for camelCase, snake_case, kebab-case, UPPER, lower, Title, Sentence, and CONSTANT_CASE - eight outputs from one paste for labels and code identifiers.
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Input
All cases
UPPERHELLO WORLD EXAMPLE
lowerhello world example
TitleHello World Example
SentenceHello world example
camelCasehelloWorldExample
snake_casehello_world_example
kebab-casehello-world-example
CONSTANTHELLO_WORLD_EXAMPLE
Shows eight case forms at once (UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case, CONSTANT). Copy one result; it does not apply editorial title-case style guides.
See moreSee less about the Case Converter
Examples
Convert a variable name
Input: Hello World Example
camelCase: helloWorldExample
snake_case: hello_world_example
kebab-case: hello-world-example
CONSTANT_CASE: HELLO_WORLD_EXAMPLETitle case capitalizes words without an editorial style guide. Sentence mode capitalizes only the first input character. Review acronyms after splitting.
Normalize an API field name
Input: user_id
camelCase: userId
→ paste into code, or check length with Word Counter / Character Counter if the label has a UI limit.Identifier splitting handles whitespace, underscores, hyphens, dots, slashes, and lowercase-to-uppercase boundaries.
Key features
- Eight conversions at once
- Copy each result
- Runs in your browser
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Quick answers for Case Converter
Which conversions are available?
Uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case and CONSTANT_CASE appear together.
Does title case follow an editorial guide?
No. It capitalizes words without rules for short articles or prepositions. Sentence mode capitalizes only the first input character.
How are identifiers split?
Splitting handles whitespace, underscores, hyphens, dots, slashes and lowercase-to-uppercase boundaries. Review acronyms and punctuation before using the result.
Does my text leave the browser?
No. Conversions run locally. For length checks after renaming labels, use Word Counter or Character Counter.