Does this handle camelCase input?

Yes, camelCase words are split at each uppercase letter before being lowercased and joined with underscores, so "helloWorld" becomes "hello_world".

Which languages prefer snake_case?

Python and Ruby commonly use snake_case for variable and function names, and it's also the standard convention for SQL database column and table names.

snake_case Converter

Convert spaced, hyphenated, or camelCase text into snake_case — the naming convention using lowercase words joined by underscores, common in Python, Ruby, and database column naming.

Inputs

Results

snake_case: hello_world_example

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Formula

All words lowercase, joined by underscores

Learn How This Works

Programming Naming Conventions: camelCase, snake_case, and PascalCase

How camelCase, snake_case, and PascalCase each format the same phrase differently, and which programming contexts use which convention.

Frequently Asked Questions

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