Snake Case Converter
Convert text to snake_case for Python and databases
Transform your text into snake_case format with our free online converter. Snake_case uses lowercase letters with underscores separating words, which is highly readable and machine-friendly.
Features
Python Standard
Generates variable names that follow PEP 8 style guidelines.
Instant Conversion
Convert to snake_case in milliseconds.
Privacy Protected
All processing happens in your browser.
Bulk Processing
Convert multiple names at once.
Smart Formatting
Automatically handles spaces and special characters.
100% Free
No limits or registration required.
When to Use Snake Case
Python Variables
The primary naming convention for variables and functions in these languages.
Database Columns
Standard for column names (e.g., created_at, user_id).
Configuration Files
Commonly used in large-scale configuration and environment variables.
Ruby Development
Follow Ruby naming conventions for variables and methods.
📊 Data Science
Format column names in pandas DataFrames and CSV files
🔧 API Parameters
Create consistent parameter names for REST APIs
How to Use
- 1.Paste Text: Paste your text in the input box.
- 2.Convert: The converter replaces spaces and hyphens with underscores.
- 3.Lowercase: It converts all characters to lowercase.
- 4.Cleanup: Consecutive underscores are reduced to one.
- 5.Result: The snake_case result is ready to use.
Conversion Examples
Variable Names:
user name → user_name
Function Names:
calculate total → calculate_total
Database Columns:
first name → first_name
Config Keys:
max retry count → max_retry_count
Frequently Asked Questions
What is snake_case?
Snake_case is a naming convention where words are lowercase and separated by underscores. Example: my_variable_name
When should I use snake_case?
Use snake_case for Python variables and functions, database column names, configuration keys, and Ruby method names. It's the standard in Python (PEP 8).
How is snake_case different from kebab-case?
Snake_case uses underscores (my_variable), while kebab-case uses hyphens (my-variable). Use snake_case for code, kebab-case for URLs and CSS.
Does this handle numbers?
Yes! The tool correctly handles numbers, preserving them while converting text (e.g., "user 2 profile" becomes "user_2_profile").
Is this tool free?
Yes! Completely free with no limits. All processing happens in your browser for privacy and speed.