Snake Case Converter

Convert text to snake_case for APIs and databases.

Features

Phrase → snake_case
Fits DB and Python style
Bulk-friendly conversion

How to use snake_case

1
Paste the source text.
2
Convert to snake_case.
3
Copy into migrations or schemas.

Examples

Column name

Input

Created At

Output

created_at

About snake_case

Snake Case Converter helps when you are aligning frontend labels with backend column names. Common for SQL, Python, and JSON APIs that prefer underscored keys.

Frequently asked questions

This tool targets typical lowercase snake_case identifiers.

Digits are preserved in the identifier where possible.

No.

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