snake_case Converter Online Free
Convert text to snake_case — the Python and database naming convention
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About the snake_case Converter Tool
snake_case uses all lowercase letters with underscores separating words. It's the standard naming convention for Python variables, database column names, file names in Linux, and many backend APIs.
Common Use Cases
- Python variable names (user_name)
- Database column names
- Linux file and directory names
- API endpoint parameters
- PostgreSQL and MySQL field names
Why Use This Tool?
Python's official style guide (PEP 8) requires snake_case for variables and functions. Database naming conventions across PostgreSQL, MySQL, and SQLite favor snake_case for column names. REST API designers often use it for query parameters. This tool converts any phrase to clean snake_case instantly.