Case Converter

Convert between camelCase and snake_case, including smart conversion modes.

Input (multi-line)

Output

Mode

Enable Smart Segmentation (Experimental)

Custom Dictionary (optional, comma/space/newline separated)

About This Tool

The Case Converter lets you switch between camelCase, PascalCase, snake_case, SCREAMING_SNAKE, and kebab-case naming conventions. It auto-detects the input format and supports batch conversion of multiple lines, making it easy to adapt code when switching between programming languages or frameworks.