Convert text to snake_case
Convert sentences or camelCase to snake_case, the usual format in Python and SQL column names.
Processed on your device. Nothing is sent to any server.
Convert sentences or camelCase to snake_case, the common convention for Python variables and SQL database column names.
Detects separators and case changes, then joins the lowercase words with underscores.
Use cases
- Naming Python variables and functions.
- Defining database column names.
- Converting camelCase JSON keys to snake_case.
How it works
- 1
Paste your text
Type a sentence or camelCase on the left.
- 2
Copy the result
The snake_case identifier appears automatically on the right.
Frequently asked questions
- Does it accept camelCase as input?
- Yes, it detects the lowercase-to-uppercase transition as a word boundary.