Developer Tools4 min read•Updated 2026-09-04
Case Conversion in Programming: camelCase, snake_case, PascalCase, and kebab-case
Understand variable naming conventions across JavaScript, Python, CSS, and database schemas with instant conversion.
MX
MultiToolX Technical Team
Developer Productivity Engineering
Key Takeaways
- camelCase: standard for JavaScript/TypeScript variables and functions (e.g. userProfileData).
- snake_case: standard for Python variables and PostgreSQL column names (e.g. user_profile_data).
- kebab-case: standard for CSS class names and URL slugs (e.g. user-profile-data).
- PascalCase: standard for React components and C#/Java class names (e.g. UserProfileData).
1. Naming Conventions by Language & Framework
Consistency is vital in software engineering:
- JavaScript / TypeScript: camelCase for variables/functions, PascalCase for classes and React components.
- Python: snake_case for functions/variables, PascalCase for classes (PEP 8).
- CSS / HTML: kebab-case for classes, IDs, and attributes.
- Database: snake_case for table and column names to prevent SQL case-sensitivity bugs.
Frequently Asked Questions
Can I convert bulk text or lists of variable names?
Yes! MultiToolX converts single words, sentences, or multi-line variable lists simultaneously.
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