Snake Case Converter
Convert any text to snake_case format. Used for Python variables, database columns, file names, and API fields.
Try:
Options
What Is Snake Case?
Snake case (also written as snake_case) is a naming convention where words are separated by underscores and all letters are lowercase. For example, my_variable_name or user_first_name.
Snake Case vs Other Naming Conventions
- Snake case:
my_variable_name— used in Python, Ruby, databases - Camel case:
myVariableName— used in JavaScript, Java - Kebab case:
my-variable-name— used in URLs, CSS, HTML attributes - Pascal case:
MyVariableName— used in C#, React components
Where to Use Snake Case
- Python variable and function names (PEP 8 standard)
- Database table and column names
- Ruby method and variable names
- API request and response field names
- Configuration file keys
- File naming in certain frameworks