Naming conventions do not affect whether code runs — they determine whether code is maintainable by the next developer who reads it, including your future self.
JavaScript and TypeScript
Variables and functions: camelCase. Classes and interfaces: PascalCase. Constants: SCREAMING_SNAKE_CASE. Private members: underscore prefix. React components: PascalCase. Custom hooks: use prefix camelCase.
Python
Variables and functions: snake_case. Classes: PascalCase. Constants: UPPER_SNAKE_CASE. Private: single underscore. Module names: short lowercase.
CSS and HTML
Classes: kebab-case. Custom properties: --kebab-case. IDs: kebab-case. BEM: Block__Element--Modifier.
SQL
Tables: plural snake_case. Columns: snake_case. Primary keys: id or table_id. Foreign keys: referenced_table_id. Indexes: idx_table_column.
Convert any text between naming conventions instantly with the Text Case Converter — paste plain English and convert to camelCase, snake_case, PascalCase, or kebab-case.