Case Converter Tools

Snake Case Converter

Turn a phrase into snake_case for Python and database names.

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spaces become underscoresall lowercase

Spaces and hyphens become underscores and every token is lower-cased; common for Python and database fields.

A phrase
snake_case
0 chars · 0 words
Example: Hello World Test

Database columns and Python variables usually use snake_case, which is awkward to type from a phrase.

This converter lower-cases the words and joins them with underscores, producing snake_case in one step.

How to use Snake Case Converter

  1. Paste the phrase you want as a field name.
  2. Snake Case Converter lower-cases the words and joins them with underscores.
  3. Copy the snake_case name into your code or schema.

Use cases

Good to know

Snake Case Converter lower-cases every token and joins them with single underscores, so Hello World Test becomes hello_world_test. Spaces and hyphens both collapse to underscores and punctuation is dropped. It is a common choice for Python identifiers and database fields, and it handles text that is already in another case by splitting it first.

Frequently asked questions

Are hyphens converted to underscores?

Yes. Both spaces and hyphens become single underscores between lower-case tokens.

Does it lowercase every token?

Yes. Every word is lower-cased before being joined with underscores.

Can I use it for Python variable names?

Yes. The output is valid snake_case suitable for Python variables and database fields.

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