How to Convert camelCase to snake_case Online
Convert camelCase variable names to snake_case instantly with our free Case Converter. Ideal for switching between coding conventions.
Steps
Open the Case Converter
Navigate to the Case Converter tool and select the snake_case mode.
Enter your camelCase text
Paste one or more camelCase identifiers into the input area. You can convert a single variable name or a list of names, one per line.
Copy the snake_case output
The converted snake_case output appears instantly. Click Copy to use it in your code.
camelCase vs snake_case in Practice
JavaScript and Java use camelCase by convention, while Python and Ruby prefer snake_case. When porting code between languages or working with APIs that use a different convention, a case converter saves time and reduces typos.
Frequently Asked Questions
Consecutive uppercase letters are treated as an acronym. XMLParser becomes xml_parser, following common convention.
Yes. The Case Converter supports multiple modes including camelCase, PascalCase, snake_case, and kebab-case. Just switch the mode.