Camel Case Converter
Transform text into camelCase - ideal for variable naming in programming
What is the CamelCase Converter?
The CamelCase Converter turns ordinary phrases into camelCase identifiers — the first word stays lowercase and every following word starts with a capital letter, like fetchUserData. Spaces, hyphens and underscores are stripped out so the result is a single valid identifier you can paste straight into code.
This naming style dominates JavaScript, where variables, functions and object properties are written in camelCase by convention, and it appears in Java method names and JSON keys as well. If you have ever typed a multi-word label and needed it as a code identifier, this is the one-click transformation.
How to use
- Type or paste your phrase, for example "user profile picture url", into the input field.
- Press convert — the tool lowercases the first word, capitalizes the rest and joins everything together.
- Review the identifier for stray characters; anything that is not a letter or digit gets removed.
- Copy the result into your editor as a variable, function or key name.
Common use cases
- JavaScript development — naming variables and functions the way linters and style guides expect.
- API integration — reshaping snake_case or spaced field names from documentation into camelCase JSON keys.
- Java code — formatting method and field names according to standard Java conventions.
- Spreadsheet headers — converting human-readable column titles into import-friendly identifiers.
Example
Input: user profile picture url Output: userProfilePictureUrl
FAQs
How is camelCase different from PascalCase?
Only the first letter differs: camelCase starts lowercase (userProfile) while PascalCase starts uppercase (UserProfile). JavaScript uses camelCase for variables and functions, reserving PascalCase for classes and components.
What happens to numbers in my phrase?
Digits pass through unchanged and stay attached to the word they belong to, so "level 2 boss" becomes level2Boss — a perfectly legal identifier in most languages.
Does the converter remove special characters?
Yes. Hyphens, apostrophes, slashes and similar characters are dropped because they would break an identifier; the words on either side are still capitalized correctly.
Why is it called camelCase?
The capital letters rising in the middle of the word resemble the humps of a camel's back. The name stuck in the 1990s as the style spread through Java and JavaScript codebases.